xausa,
I feel for you brother, I too can only hunt from a blind now, and even then only one I can drive to. I never have a problem with a Greener safety, I didn't even before I became "lame". I just held the gun so my thumb pushed it into the stock as it also pushed forward( this is hard to describe, but once learned is easy). Some people have put a "lever" on the button, but this makes it subject to being accidently moved to the "Off" position. In my Krieghoff 16x16-7x65R, the greener safety only works for the shot barrels, and the rifle selector works also as the safety( but doesn't cock it), so for the rifle, only the selector on the tang has to be activated. I have a hand warmer that straps around my waist and don't wear gloves anyway. I really miss following a bird dog around.
Mike