Handles on instruments designed to be squeezed between the thumb and finger are called what?

Question

Quizplus · Accepted Answer

Handles on instruments designed to be squeezed between the thumb and finger are called thumb handles because they are meant to be gripped by the thumb and pressed between the thumb and fingers for use. Option A) Ring handles are usually circular in shape and used for placing fingers inside the ring to hold onto the instrument. Option B) Ratchet handles are used for tightening or loosening nuts and bolts by turning them in a clockwise or counterclockwise direction. Option D) Finger handles are just regular handles that can be gripped with one or all fingers.

Handles on Instruments Designed to Be Squeezed Between the Thumb