I was doing a glute injection but i was working in a new spot a bit lower then i normally go becuase i think i was biulding to much scar tissue i was doing and i was having trouble getting the right leverage to push down the stopper ans while i was doing it half way through the fvcking pin slides out so i have half a ml still do go so now i half to put the rest in my shoulder. Has this happen to any body before or does any body now any tips for doing self glute injections thanks.