the real hazard in not wearing underwear isn't zipping up...

the real hazard in not wearing underwear isn't zipping up your dick/balls but instead allowing your balls to lay on the zipper while pissing because ball skin (seemingly) easily falls into zipperteeth.

(after i re-read this for some reason i imagined myself wearing a full hood over my head and face, made of ball skin.  soft soft ball skin.)