Connect with skilled Fixers carrying repair kits at conventions. Broken prop? Malfunctioning costume? Help is minutes away.
You're at Comic-Con. Your carefully crafted prop sword snaps in half right before the cosplay contest. Panic sets in until you open PropFix, see three Fixers nearby, and one arrives in 3 minutes with a cordless screwdriver and epoxy — you're back in the competition within 5 minutes, saved by a fellow cosplayer.