knurled

Savor the perfectly pitched ear required to turn a simple phrase like “a dumpling, some knurled pouch of gristle.”

Ennis, tensing to spring toward Ruth, saw the two priests at the gray mechanism swiftly turn the knurled black knobs.

On the disk are two projections KK, which are knurled, thus providing a grip when operating the tool.

The knurled cap D tightens the split chuck in order to hold the measuring rod firmly.