Downsizing

cts00

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Oct 7, 2023
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I wear a knockoff Holy Trainer v4 Nano. Thinking about downsizing to a Nub. Interested to hear from others who have gone from Nano to Nub.
How was the transition?
Is it possible to go too small?
Besides the shorter penis tube, does the tube/base ring gap change?
Any problems?
 
I have the exact same question in my v5 nano. At first the nub looked too small but after going on 10 days in the nano, I really wish I had the nub to try.
 
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Many moons ago I went from Nano to Nub. No issues for me, although I do not have penis size to worry about

Rings size for me was a separate choice/issue. I start out in the 45mm Nub or Nano. But after several days I have had that ring on 2 occasion cause a sore underneath and had to replace it with the 50mm on hygiene day.

Otherwise i would say no issues whatsoever in my case. Good luck
 
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Many moons ago I went from Nano to Nub. No issues for me, although I do not have penis size to worry about

Rings size for me was a separate choice/issue. I start out in the 45mm Nub or Nano. But after several days I have had that ring on 2 occasion cause a sore underneath and had to replace it with the 50mm on hygiene day.

Otherwise i would say no issues whatsoever in my case. Good luck
I don’t have the size issue either when I’m soft which I’ve learned is always now. I have space in the nano at the end most of the time which is why I want a nub that would be nice snug on my soft cock all the time.
 
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Many moons ago I went from Nano to Nub. No issues for me, although I do not have penis size to worry about

Rings size for me was a separate choice/issue. I start out in the 45mm Nub or Nano. But after several days I have had that ring on 2 occasion cause a sore underneath and had to replace it with the 50mm on hygiene day.

Otherwise i would say no issues whatsoever in my case. Good luck

Is there a difference in ball gap spacing between the Nano and Nub with the same base ring?
 
I don’t have the size issue either when I’m soft which I’ve learned is always now. I have space in the nano at the end most of the time which is why I want a nub that would be nice snug on my soft cock all the time.

When I’m aroused, my penis slightly pushes the base ring away from my body. Then when it gets soft, my penis retracts into my body and leaves a space at the tip. This makes it hard to pee without making a mess since my peehole is not up against the end of the tube opening.

I’m hoping the Nub will compress my penis where it will always completely fill the tube and also keep me from getting hard altogether. Is that the case with downsizing?
 
When I’m aroused, my penis slightly pushes the base ring away from my body. Then when it gets soft, my penis retracts into my body and leaves a space at the tip. This makes it hard to pee without making a mess since my peehole is not up against the end of the tube opening.

I’m hoping the Nub will compress my penis where it will always completely fill the tube and also keep me from getting hard altogether. Is that the case with downsizing?

I’m thinking if I was completely soft I would fill the nub and then I would be able to constantly feel it and any sign of erection would be killed faster. I also wear an elastic belt with mine when I’m getting constantly horny. Like right now lol
 
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Is there a difference in ball gap spacing between the Nano and Nub with the same base ring?
Hmmm have to say its been a long time since I had the Nano on but I dont remember one. I think the "gap" tends to be function more to the ring size. When I have the smaller ring on the pronounced display of my balls is obvious. Seems like when the 50mm is on its a bit less.

Of course being caged nearly all the time, the size/pressure/display of the balls changes on me frequently. Often in the mornings I will find the max tightness in ring around the balls. The Nub (which I was going for) nearly eliminates all penis attempts at any kind of morning erections. The other thing I really like about the Nub is the penis has no where to go...cant slip back when its "relaxed" either. Always same place

Thats good and a bit bad I guess. When Mistress/Wife does play or decide its time to vibrate me, the cage gets a strength test for sure
 
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Hmmm have to say its been a long time since I had the Nano on but I dont remember one. I think the "gap" tends to be function more to the ring size. When I have the smaller ring on the pronounced display of my balls is obvious. Seems like when the 50mm is on its a bit less.

Of course being caged nearly all the time, the size/pressure/display of the balls changes on me frequently. Often in the mornings I will find the max tightness in ring around the balls. The Nub (which I was going for) nearly eliminates all penis attempts at any kind of morning erections. The other thing I really like about the Nub is the penis has no where to go...cant slip back when its "relaxed" either. Always same place

Thats good and a bit bad I guess. When Mistress/Wife does play or decide its time to vibrate me, the cage gets a strength test for sure
This is exactly why I need to order the nub. I’m in love with my nano but I would be head over heels for that tight feeling of the nub.
 
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I appreciate the insight. I think I’ll order a Nub and give it a try. I’ve only been chastity “training” since January, but absolutely love the way it feels on my penis. It’s somewhat comforting in a way and keeps everything in place.
 
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I appreciate the insight. I think I’ll order a Nub and give it a try. I’ve only been chastity “training” since January, but absolutely love the way it feels on my penis. It’s somewhat comforting in a way and keeps everything in place.
Let me know how the nub feels vs the nano I’m so right with you on this!
 
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Hmmm have to say its been a long time since I had the Nano on but I dont remember one. I think the "gap" tends to be function more to the ring size. When I have the smaller ring on the pronounced display of my balls is obvious. Seems like when the 50mm is on its a bit less.

Of course being caged nearly all the time, the size/pressure/display of the balls changes on me frequently. Often in the mornings I will find the max tightness in ring around the balls. The Nub (which I was going for) nearly eliminates all penis attempts at any kind of morning erections. The other thing I really like about the Nub is the penis has no where to go...cant slip back when its "relaxed" either. Always same place

Thats good and a bit bad I guess. When Mistress/Wife does play or decide its time to vibrate me, the cage gets a strength test for sure
I was thinking the shorter tube might create a larger ball gap. The setup I have now is a good fit. My balls don’t slip out and it’s comfortable to wear for extended periods. I guess I can downsize the base ring if needed.
 
The only trouble i have had is one of the locks on the 45mm ring I think is finicky. It will work with one key but not others even though they are all numbered same.

I have authentic clear HTV5 Nub with 50mm and two knockoff (off amazon...pink ones) that have 50 and 45 rings.

Nothing a bit apprehensive of putting the key in the lock after a long period to get a cleaning done and it DOESNT unlock. Wont turn or just seems to free spin. Eventually pushing the nub head back with a little pressure and the lock worked.

Sometimes it doesnt seem to seat completely I guess to relock and the button just pops right back up on both kinds. Patience though...and I am able to get them to lock/unlock.

Kind of wish the keys were more unique though. I have handful of keys now between the two locks and there are very slight difference if at all. Strangely I think they all have same number code too.
 
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I have a clear HTv4 Nano from Amazon. It came with 5 rings. I use the second largest. I can order a Nub tube from the same manufacturer. So far I haven’t had any major issues. I’m more into chastity for the bondage aspect.
 
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I have a clear HTv4 Nano from Amazon. It came with 5 rings. I use the second largest. I can order a Nub tube from the same manufacturer. So far I haven’t had any major issues. I’m more into chastity for the bondage aspect.
I have the v5 from Amazon that came with 5 rings. I use the second to largest too most of the time. I also keep the next smallest one handy, if I’m driving a long distance or sitting still all day I shrink and the smaller ring fits good and reminds me it’s there
 
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I have a clear HTv4 Nano from Amazon. It came with 5 rings. I use the second largest. I can order a Nub tube from the same manufacturer. So far I haven’t had any major issues. I’m more into chastity for the bondage aspect.
Were you able to get a nub? How much smaller does it feel?
 
Were you able to get a nub? How much smaller does it feel?

Haven’t ordered it yet.

Currently have the Nano in clear. Considering getting the Nub in black. If I get it in black, I’ll order the complete device, rings & tube. Otherwise, I’ll order just the clear Nub to match the rings I already have.

What are your thoughts on color choices?
 
My nub came in yesterday, I switched out the cage but had to go one size larger (back to the second largest) base ring at least at first. It’s A LOT smaller and was harder to get on and locked due to me being a little excited, not hard but not completely flaccid as normal. I freaking love the feel of it, great decision and I’m guessing within a week or two I’ll be able to swap back out to the smaller base ring I like to wear and sleep in more permanently
 
I think that downsizing is absolutely possible with a high success rate. Personally I'd say it's more about just getting used to the general wearing and once that's been achieved it's easy enough. In some ways it can be more comfortable because you move from being able to feel a tiiiiiny bit of arousal to the compression not permitting even the slightest. Depends how you frame it huh? As commented above, the closeness of the push of the V4 nub or even the nano can mean that you might need to go up a ring size to allow for the balls being pushed back into you so much more.
 
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My nub came in yesterday, I switched out the cage but had to go one size larger (back to the second largest) base ring at least at first. It’s A LOT smaller and was harder to get on and locked due to me being a little excited, not hard but not completely flaccid as normal. I freaking love the feel of it, great decision and I’m guessing within a week or two I’ll be able to swap back out to the smaller base ring I like to wear and sleep in more permanently

I ordered the clear HTv4 Nub by FYJENNICC from Amazon. Same knockoff company as my Nano.

It has a different fit and feel than the Nano. The back of the tube extends under the base ring and pushes my penis back into my pubic area. It’s like a hybrid between an inverted device and tube with just the tip of my penis in the Nub portion. I’m using the same size base ring of the Nano.

The Nub has been a re-awakening to my chastity training. Made me cum the first time I tried to put it on. It was difficult to put on the first few times, had to wait for my penis to shrink and gradually push my penis/tube down and back into he ring against my pubic area. The new feeling brought back “chastity tears” (pre-cum leakage).

The Nub is very comfortable when I’m not aroused. Daily wear and sleeping haven’t been a problem. Squatting down and bending over are much easier as there doesn’t seem to be as much “turtling” of my penis and balls. My penis also stays pressed against the tip of the Nub keeping my peehole aligned with the tube opening. Although the short length does make it hard to pee without dribbling on my balls.

A few stats about myself…
I have a small circumcised penis, 1-2” long when soft and 4-5” at most when erect.

I can easily fit my penis through a 1.5” ring when fully aroused and my penis & balls easily fit through a 2” inside diameter ring.

With a 1.5” inside diameter ring, I can squeeze just my balls, one at a time, through. It will stay on because when both balls are through, it’s a very snug fit and takes quite a bit of manipulation to get them back out.

Also, my penis and balls retract up into my body when I’m not aroused. (High & Tight).

Currently wearing a clear knockoff (FYJENNICC) HTv4 Nub, with 52mm base ring. Also have a Nano tube.
 
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