Here's one gadget I won't be lining up for: a "Menstruation Machine" that allows men "to experience the painful bleeding of menstruation". Well, wow.
The device is the graduate project of Royal College of Art student Hiromi Ozaki. It's pretty horrifying!
Fitted with a blood dispensing mechanism and lower-abdomen-stimulating electrodes, the Menstruation Machine simulates the pain and bleeding of an average 5 day menstruation process of a human.
And just in case you couldn't picture it in your mind, there's this: