Post photos of you (selfies) in your jockstrap, shot from behind (i.e. bent over, on back with legs up in the air, focused on your jockstrap frames ass.)
Post a series of photos of you clothed to stripped down to your jock and possibly beyond (naked). Please note, this is the only Photo Category or Challenge where you can post an photo album.
Brave enough to wear your jocks in public? Post photos of you (selfie) in your jockstrap out in public, in the car, in the locker room, at the beach, club, etc..