a person has a drill in their hand and talks to the camera
A man describes and shows a drill bit that is special, he then turns around and points towards a bone.
A man with a running drill with a drill bit between his thumb and index finger.
A man is showing how a drill is not harmful to his hands.
A man holds a small drill bit and shows it spinning and then gets ready to use it on something.
A man is holding an electric drill in one hand and holding the rotating drill bit in the other hand.
A man explains the details of a drill, and then proceeds to use it on a bone.
A man holds a drill bit as it spins, demonstrating that it does not hurt his fingers, and then tells the audience he's going to drill through a bone sitting on a table.
A man is demonstrating how to drill through a spine.
A man demonstrates how to use an electric drill in a way that doesn't aggravate fingers.