Which instrument grasp holds the instrument in the palm of the hand and uses the thumb to stabilize and guide the instrument?

Question

Quizplus · Accepted Answer

The palm-thumb grasp holds the instrument in the palm,and the thumb is used to stabilize and guide the instrument.
For reverse palm-thumb grasp,the instrument is held in the palm with the thumb away from the working end.
For the palm grasp,the instrument is held securely within the palm of the hand.
For the pen grasp,the instrument is held like a pen.

Which Instrument Grasp Holds the Instrument in the Palm of the Hand