I bought a set of Stanley knives for my woodworking projects.

The hospital recently acquired new gamma knives.

I always carry pocket knives with me when I go camping.

I have a collection of folding knives.

He collects butterfly knives.

He collects flick-knives as a hobby.

I have a collection of Rambo knives.

I have a collection of throwing knives.

I have a collection of case knives.

I have a collection of clasp knives.