Better knuckle up.

Knuckle bones of a dragon.

You'd better knuckle down to work.

So no knuckle sandwiches under no circumstances.

We'll make an incision just below the knuckle.

Show them what knuckle duster can do, Guy.

How do you handle the psychos that won't knuckle under, no matter what?

I've got a white knuckle grip on the door. You know what I'm talking about?

It'll take the knuckle draggers a week to pound your divots out of the flight deck.

OK, now into the webbing of the fingers, this is important, and then pull, pull, pull, each knuckle out.

That's when K is at the beginning of the but you don't pronounce it like in the word knuckle duster

You probably think that the force that I led was all steely eyed commandos with big knuckle fists carrying exotic weapons.

Aaron was resolute that he didn't want to knuckle under and accept something that he didn't believe was fair, but I also think he was scared.

Waiting seven minutes for a train with a countdown clock is less frustrating and irritating than waiting four minutes, knuckle biting going, When's this train going to damn well arrive?

So these are a pair of gloves, and it has vibrating elements on the knuckle part so you can convey instructions about how to steer the direction and the intensity.