Many years ago I was at the old Tiger Stadium in Detroit when a little girl in the first row behind home plate had her hands in the netting and her face as well and took a foul tip right in her face.......
Ugh! Yeah, that's another thing... people really should stay away from the netting. The idea is to sit behind it, not clutch it, or put your face (or even feet, as I recently saw in a minor league ballpark) up against the net.