The original inventor in the 80’s was a Dr.Robert Crow. He was a team doctor forthe Atlanta Braves. Markwort purchasedthe rights to the C-Flap from him and still owns the patent today.
The C-flap is a plastic attachment thatis added to the helmet by the consumer to help prevent facial fractures. It attaches to the ear flap of thehelmet. The manufacturer also now makesa helmet that has this attachment included. It isvery commonly used in professional baseball.