I get a better release with a tab so that's what I use. Partly due to a crooked & twisted index finger and being able to use a spacer pad between the fingers with a tab. My right index finger is right-helical from an old injurty & arthritus. I shoot split finger and the spacer keeps me from pinching, and with a lot of shooting from getting a blood-blister beside the nail as I did with Damascus gloves. I did pretty well with the tougher finger-stall style.
I keep a spare in a coat or pants pocket and also in my day pack. Never lost one, but years ago left it home so since I always have a spare