How does a body cast saw cut the cast but not the skin below?

Answer:
The blade on the cast saw vibrates it needs resistance to cut. Under the cast is wrapped with cast padding. Because the padding will move with the vibration of the saw blade it will not cut thru to the skin.
First answer by PuppiesRAwesome. Last edit by Jbenoit1. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 3 [recommend question].