I had third degree burns on my right hand after a grill accident last summer. Luckily, it was on my ring and pinky fingers, so I was back into playing less than a week later. Note that they didn't actually heal completely for about six weeks

. Still got the pink marks on my fingers too.
Seriously, working in fast food ain't a good place for musicians. The pickel juice made the skin on my fingers crack, that burn I described wasn't the only one I suffered there, and the constant handwashing, the soap, the dishcleaning, and the table cleaning wreaks havok on a person's hands. Staaaaay awaaaaaay! It took months before my hands looked respectable again.