Have you ever looked at the TRU Ball Boss X release? I currently shoot it and absolutely love it! It is a sensitive release that is great for both 3D and hunting. I have taken numerous deer with it as well as used it in some local club shoots. One cool feature about it is that the head rotates 360* so you can have your hand at whatever angle you like to be comfortable at your anchor. It doesn't stress or twist your loop either, which will help in accuracy. You can adjust the sensitivity to as hot or cold as you prefer and it doesn't load up when released at full draw. All around it is an awesome release for any scenario of shooting.
They also offer other great handles that all feature different attributes, so they have something that is sure to fit anyone's needs. Check 'em out. Good shooting!
T.R.U. Ball Shooting Staff
JBK Strings Shooting Staff