If you cut yourself, the first thing you should do is stop the bleeding. Gentle pressure with a clean bandage or cloth should do the trick. Next, wash the wound under cool, clear water. You can use soap carefully on the area around the injury, but don't wash the injury itself, as that could lead to irritation

Use a cotton swab soaked in warm water to clean the area if it seems sticky or crusty while removing the clasp. If the skin appears to be healed over the clasp, get a doctor's help. Grab onto the front of the post with pinched fingers and gently twirl it in the hole until it spins somewhat freely.

Quickly plunge that arm into cool water for about five minutes for a first-degree burn, 10 minutes for a second-degree burn. Do not use ice; it could damage tissue.