Once, I cut the webbing between two of my fingers with a poster. Would not recommend.
Bonus: I currently have an 11 mm papercut on my index finger. Did not make drawing this comic easier!
Bonus bonus fact: I do not recommend that screensaver!
Bonus bonus bonus fact: The screen is white in the 3rd panel because I forgot to colour it black or because the mouse slips really easily on Zombie's inclined desk. Noone will ever know because I'll probably forget which it was.