Все с давних пор, как оказалось...
An anti-masturbation device. The rare 19th century item is made of copper and was designed to be worn by boys so they could not commit the ‘sin’. Attached to a belt it would have encased the genitalia. The bizarre antique dates back to around 1880 and was used in Catholic France.
Раз уж дело пошло о лингамах, сохраню ка я еще тут классификатор такой интересный...