3.11 Gloves - Gloves may be worn which do not form an artificial support.
and…
7.7 Barricade Event - … All competitors may use the Barricade for support. No portion of the firearm to rest against the Barricade for Open Modified, Metallic or Production Firearms Divisions.
Another bonus of this product, at least where I shopped, is a professional sizing station that takes into account both palm width and finger length. Where I usually end up buying an XL glove with fingers that are too long, the Foot Joy gloves fit perfectly. They’re only available in black and the street price for a pair is about $22.