Rather, they have most likely caused a joint, bone, ligament or tendon injury due to overstraining, pinched nerve, or similar causes. While heart attack warning is usually connected with the pain in a woman's left arm, the right one, if hurting, is probably injured. The cause may be a simple night of sleeping while holding your right arm in an unnatural position.
As brass hardware ages, its surface oxidizes, which leaves a layer of tarnish over the hardware. Over time, an additional protective layer, called a patina, forms over the untreated tarnished brass.
Wipe away the vinegar paste and the green tarnish stains from the brass. If any tarnish stain remains, repeat step 2. Dry the leather thoroughly, then apply a small amount of leather conditioner with a clean cotton cloth and rub it into the leather.