Use "knur" in a sentence

1. Screwing out the knurled knobs holding the covers in place, he wrenched the sides off and located the hard drive

2. her knurled, wrinkled face

3. on these very rigid, rude and knurled faces

4. Nick removed the stainless steel knurled attaching screws and tilted up the white enameled grille, exposing the yard wide opening beneath

5. Then he turned the knurled knob of the safe