More information for breaking wood

More information for breaking wood.

The kind of wood.

-There's all kinds of wood, from soft wood to hard wood.

More information for human nail gun

More information for human nail gun

1 The kind of wood

-There's different kinds of wood from soft wood to hard wood.

2 The thickness of the wood

3 The measurements of the iron nail

  The sharpness of the nail

An idea for another kind of boxing competitions

1 minute rounds. 3-5 rounds.

Knockdown is a loss.

Three gripper training variations

Low grip, gripper closes. Medium high grip, gripper closes. High grip, gripper closes.

Low grip, medium high grip and high grip, hand gripper training.