Male contraceptive testicle 'bath' device wins Dyson award - NZ Herald
Male birth control shot found effective, but side effects cut study short | CNN
Woman inventor wins top award for male birth control – The Hill
COSO is a male contraception ultrasonic 'testicle bath' device
New male contraceptive 'testicle bath' zaps sperm (and feels like a warm bath) | The US Sun
Of Course there's a jacuzzi for your balls : r/ofcoursethatsathing
Facts And Myths Of Male Fertility: Tight Underwear, Hot Tubs, Marijuana, And More | Office for Science and Society - McGill University
Testicuzzi — Testicular Cancer Awareness Foundation
Hot Tubs, Saunas, And Hot Baths Should All Be Avoided If You Want Healthy Sperm | IFLScience
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.