the ultra nock? is that the big ole thing that clamps to your string??? buddy shoots one...couldnt pay me to put that on my string..big, heavy, and i think it may be noisy...his bow hurts my ears when he shoots period..so i cant tell if some of it is that or not...not to mention, my luck the screws would back out or something...

never had trouble getting my release on...my current release i pull the trigger and the jaws open, relax it and the jaws close...i dont even have to look to hook up really. as soon as i hear deer or catch movement i hook up and stand up if im not standing.

if tied and tightened properly, they shouldnt move. mine never has...ive tied my own and had shops tie them...never had a problem with them moving...heck, i even took my nocks off and shoot with just a loop now...i did use a sharpie to mark the knots to see if it moved, and it hasnt and that loop been on since August..

never had any other troubles...imo the string loop is about the only thing that makes sense as far as using a release...putting the jaws and pressure right behind the arrow..

if you dont like it, they are simple to remove and you can go back to shooting from the string..