i use both, just depends on the situation, sometimes i like the wrist strap cause it helps hold the bow in my hands, on the other hand sometimes its nice to set the bow in my lap w/o it hooked up and still relatively ready fer somethin walkin out, as i dont have to connect to the loop, but just grab the release. my cobra wrist strap i had fer years seems to instantly release when i touch the trigger, but the thumb release does seem lighter .