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.
5. Keep rubbing the brass hardware with the salt-crusted towel until the tarnish lifts and the metal takes on a shiny appearance. Dip a cotton swab in vinegar and salt. Rub the tip of the cotton swab in the decorative carvings or nooks to more effectively tackle the tarnish inside.