Teabag Your Way to Infertility with the Genital Jacuzzi - Medika Life
COSO is a male contraception ultrasonic 'testicle bath' device
They finally did it! Ball jacuzzi Men's Birth Control Stops Sperm With Ultrasound The "testicle bath" uses ultrasound to stop "sperm mobility" and only needs to be used 'once every few months.