You may think that a cock ring is a bit too tame for CBT, but think again! There are many sadistically satisfying cock rings available to deliver the perfect penis persecution. Not only will a cock ring help to keep the penis hard and the testicles tight, it will put a stop to premature ejaculation. In addition, many cock rings have extra punishment features such as spikes and screws. Keeping the penis hard will make it much more sensitive to the torture it is enduring.