Each of the Following Techniques Will Reduce Hand and Wrist

Each of the following techniques will reduce hand and wrist fatigue when using power scalers EXCEPT one.Which one is the EXCEPTION?

A) Drape the hand piece cord around the neck toward the dominant hand.
B) Grasp the hand piece so it sits between the thumb and index finger.
C) Wrap the hand piece cord around the forearm of the dominant hand.
D) Wrap the hand piece cord between fingers of the dominant hand.