A man demonstrates how to break the edges off a rock while trying to make something from it.
A man is using a wooden tool to break off a piece of marble.
A fat man sitting on some steps knocks two hard objects together.
A man is breaking a piece of material using another piece of material.
A sitting man breaks pieces off an object by hitting it with another object
Man takes hard object in fist and taps softer object twice, and then strikes end of object which falls off.
A man shatters a piece of rock while sitting on his porch.
A man is sitting on a porch holding an object with one hand and hitting with something in the other and says it shattered.
A man uses a piece of wood to break off a piece of another object.
A man is sitting outside tapping on an object until it shatters.