Everytime I play though my calluses just rip off though
Not to be critical, but statements like this make me wonder what folks are doing?? Even when I first started slap/pop I never suffered the way some people seem to, and no, my thumb and index were/are nothing special callous-wise. Methinks folks re exerting way too much force, which also hinders speed btw.
Pain is conditioning the fretting fingertips for steel string acoustic guitar - THAT's hard!