Here are seven things to do with a cum rag:
1. Gag your j/o buddy with a cum rag.
2. Blindfold your j/o buddy with a cum rag.
3. Sniff your used cum rag before you jack off.
4. Invite your buddy to sniff your used cum rag as he jacks off.
5. Leave your sticky cum rag for someone to find.
6. Squeeze out the cum into your buddy's mouth.
7. Massage your own hot cum onto your tits.