Brian,
I've tried them all, open-finger, closed finger, high-dollar Sauer mitt, cheap mitt, mitt over a glove....all of them, and have settled on an open-finger Champion's Choice glove with the black "pebbly" grip. It's cheaper than the Anschutz's and even the Creedmoor, but is better built in my opinion.
Unlike Rost, I DO handle pencils, sling adjustments, everything, with my support hand quite often. You couldn't put me in a full-fingered glove for anything!
SOrry to be OT here, but question the use of the support hand, By that I mean I shoot right handed but my left is my basic support. How do you sling up and still use same slung up hand to write, handle ammo, move sights and such? Just curious or either we have a technical jargon confusion as to what the support hand is and what the firing hand is. And I may be the one wrong on the terms fwiw.
Jeff