Be careful...

[hammyma]

A long time since I started this, but I finally got around to taking a picture...

hma.jpeg (20.27 KiB) Viewed 1063 times

... requires PA (obviously)
... uses allen screws with security pins so normal allen keys don't work
... mainly aluminium for lightness
... PA pin is stainless
... can be worn forever, until you have to go through airport security
... allows erection but not quite enough stimulation for orgasm