CBT is the abbreviation for Cock and Ball Torture. It says it all, it is about torturing and tormenting the penis and the balls. These are all kinds of pain, for example with a firm bondage of the cock and balls, the use of a ballcrusher, ballstretcher, parachute (or ball hat), needles, Humbler or just with your hands to hit, crush, scratch or pinch. Whips, Wheel of pain, candle grease, dilator, clamps, pegs, electro, neon wand, nipple clamps, epilation, trampling … everything is possible. Be creative and unpredictable in particular, where you should never lose sight of the welfare of your sub. Locking the cock and balls into a trampling table and then indulging you can, of course, also.