knuckle

"We have turnovers, liners, hooks, boomerangs, knuckles. And they all do different things," Koch said in an interview with the NFL in 2016.

Clutching a smooth rock in her fist so she doesn’t bruise her knuckles, Banuet, 62, spends several hours every day, five days a week, knocking on doors in Phoenix and surrounding suburbs.

I would never rule out a return to boxing, buy my goal now is to win a bare knuckle world title and become a two-sport world champion.

In his autobiography, he talks about blinking 100 times a minute and chewing his knuckles.

The pitch remains hard, and a knock could do damage to the knuckles.