I inject very slowly, push the pin in slowly through the skin then bottom out the pin,1 inch, i guess i hit a nerve,my leg flew up the pin came flying out,hit the wall,,was like holy fvck, seams ok glad i went in slow couldn,t imagine ramming it through,i figure that is a normal accurance rite,,you guys hit nerves before, if so did you keep going or move it over. :?: