Well, I tried my new KTB from SxySadist. It was an epic fail. First, it is heavy. So heavy, that without a ball ring it is very uncomfortable, not to speak of sleeping in the device. Second, it rattles and buldges under clothes. So it is impossible to wear it if not at home. Finally, I can easily slip out. Note: it is SxySadist with 36 sharp spikes and 1,5 inch shackle (the smallest possible). Still, it happened. P.S. Tomorrow I will post photos of this attempt in my user album. P.P.S. Does anybody know a lightweight KTB?