Whats The Use For Pumping Rings? They Are Utterly Useless
I find them always to be slipping off the tube and gettibg sucked in with my junk every single time. Yes, i bought the right size. Without failure everytime they slip off the open end of the tube and if i want to put it back on, which would be pointless as i stated, i would have to wipe both my tube and ring clean of grease from the lubricant i used to enter the tube.