Cock and ball torture (CBT) is a sexual activity involving the application of pain or constriction to the male genitals. This may involve directly painful activities, such wax play, genital spanking, squeezing, genital flogging, tickle torture, erotic electrostimulation, The recipient of such activities may receive direct physical pleasure via masochism, emotional pleasure through erotic humiliation, or knowledge that the play is pleasing to a sadistic dominant. In the case of soft CBT, it usually involves the squeezing and tugging of male genitals without causing long-term damage or non-consensual pain.