anti-masturbatory device jugum penis https://en.wikipedia.org/wiki/Jugum_penis https://www.wikidata.org/wiki/Q25091377 An anti-masturbatory device developed in the 18th century. It consisted of a steel clip with serrated teeth that could be attached to the penis to deter its unwanted erection. It is one of many devices from the 1700s designed to prevent masturbation and to cure an illness that was then called spermatorrhoea. pollutions ring