Anything where the dick is partially/fully covered or clothed, but the balls are totally exposed and out in the open.
Futa, non-futa, traps, etc are all welcome
>>7093238
source
>>7093413
image posted is a WIP by incase:
http://incaseart.tumblr.com/post/109506099785
full final one here:
http://incaseart.tumblr.com/post/109915105405
old Pu-Jo art apparently