I've recently noticed that some archers wear two gloves and some only one. Latter always have them on the hand which pulls the string.
What's the difference? Is it up to their personal preferences?
On a longbow you rest the arrow on your hand. If you do it for many hours it can cause irritation so some wear a glove to avoid this.
As for the hand pulling the string it is another form of a finger tab. I have a three fingered glove. It's a matter of preference for this. I found a glove more comfortable than a finger tab.
Personally I don't usually feel irritation on my grip hand from either the arrow or the fletchings. However I have felt the need to wear one occasionally when I've got that one odd handmade bow in the bunch that just loves to slap my hand.
That said, I do pull a pretty strong longbow and finger pain can definitely ruin a good practice session and may even some day cost me a long sought after trophy. Because of this, a very comfortable set of finger tabs. (Rubber rather than leather) as I feel like I have slightly better control, and I believe it turns my string just a wee bit better.
All in all, my choice is for the finger tabs only. The second glove always seems to make me feel like I've got too much gear between myself and the shot.