Do guys jerk off in the peep shows?  Just wondering.  Thought I'd check one out and didn't know the deal.

but YES!  I do but I always wear a condom.  I know im not gonna get a disease like when I am with a provider but it just is a lot easier to "clean up"  If you see a 6'5" guy with a white cowbot hat say howdeee - just don't try to shake my hand  Joe

They totally do. I have seen first hand, and been myself into a peep booth. Its is pretty normal to do so.

Having been a peep girl for years I can confirm YES over 90% of the guys getting shows jerk off during.
I learned a lot there - heehee

I hope this question isn't too rude. Curiosity got the better of me.

Also honed my dirty talking skills as well as mastering the use of erotic toys for visual and physical stimulation.