A man is hitting a cylinder shaped object on a black flat item.
a man is resting his arm holding a stone on his leg and uses an object to strike it repeatedly
A person is striking a flint against a rock, multiple times.
A man sitting in his room and holding two objects in his hand
A man strikes a black rock repeatedly with a piece of metal and plastic.
A man is tapping the end of a shot gun bullet to something.
A man is holding a black object in one hand, and hitting the edge of it with a metallic object.
Person taps a capped tube along an oval stone to make a beat.
A guy is making sparks by scraping the metal end of something on the edge of a piece of black onyx.
A man is hitting a piece of  rock with a tool many times.