It's no risk without gain
He spits this and makes it sound like ‘It’s no wrist without gain’
Playing on these syllables he’s implying you have to take risks to make money (ie: the watch on his wrist). Or in other words no risk, no fun.
To help improve the meaning of these lyrics, visit "Pain" by Pusha T (Ft. Future) Lyrics and leave a comment on the lyrics box