Gamekeeper's thumb splint:

Gamekeeper's thumb splint provides a solid support to sprained thumb. Wear a Gamekeepers thumb brace to heal in a shorter time, and in the right way.

What is Gamekeepers thumb?

Gamekeeper's Thumb injury is an acute tear in UCL thumb ligament. This ligament is located in the MCP joint. This type of thumb sprain is triggered by a repetitive overstretching of the thumb in the opposite direction of the index finger. To prevent this injury from getting worse, use a thumb splint during the recommended recovery period.