Itchy red bump on end knuckle then a permanent knot. Then another formed on the other side of the same knuckle. No pain but a little stiff.?

Knuckle Pads. Knuckle pads are benign, asymptomatic, well-circumscribed, smooth, firm, skin-colored papules, nodules, or plaques, located in the skin over the dorsal aspects of the metacarpophalangeal (mcp) and interphalangeal (ip) joints. A history of repetitive trauma related to sports or occupation is often present.