Nhl Helmets Drawings I Was Wondering, Why Don't They Wear Masks On Their Helmets In The Nhl But They Do In College Hockey?

I was wondering, why don't they wear masks on their helmets in the nhl but they do in college hockey? - nhl helmets drawings

because some students go to the NHL. no sense to me.

in fear there will be some obvious answer, it would seem the stupid. lol.