Examples of using "костяшками" in a sentence and their english translations:
Tom cracked his knuckles.
I heard Tom cracking his knuckles.
When Tom was a kid, he used to pretend he was playing the drums by tapping his fingers on the kitchen table, to the great irritation of his father.
A round edge was much faster to draw than an angle, and that certainly applied to hands, with all those fingers and knuckles.