what is it for???

i thought you put your finger under it so when you come to light with opposing hand the flame wont burn your finger

my friend says its a grip or some shit (he has no clue)
Genuine17 Reviewed by Genuine17 on . little ball on the side of your pipe what is it for??? i thought you put your finger under it so when you come to light with opposing hand the flame wont burn your finger my friend says its a grip or some shit (he has no clue) Rating: 5