Inspired by feminism, and the tale of vagina dentata that has been around forever.
In 2005, inventor Sonette Ehlers introduced The Rapex, an anti-rape female condom which can be inserted into the vaginal canal like a diaphragm. The product is lined with microscopic barbs which attach to a rapist's penis and which must be surgically removed. In an article about the Rapex, Ehlers stated that she was inspired to invent the device after meeting a victim who told her, "If only I had teeth down there."
Illustration line work by ExplodingToes, everything else is me.
Now for sale at my store