Toothed Urethral ring for the treatment of masturbation
Licence: Public Domain Mark
Credit: Toothed Urethral ring for the treatment of masturbation. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0003904/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Toothed Urethral ring for the treatment of masturbation. Wellcome Collection. Source: Wellcome Collection.