Self-Defense - Krav Maga - Buttstroke
Human Weapon: This video tutorial shows you how to do the Buttstroke technique from Krav Maga.

Self-Defense Marine Martial Arts - Horizontal ButtStroke
Human Weapon: This video tutorial shows you how to do an Horizontal Butt Stroke. Almost Identical to the Buttstroke of Krav Maga, But they didn't mention anything.. They did however combo it with a slash and thrust, so that was a difference.

Self-Defense - Silat - Half Python
Human Weapon: Half Python is a Technique from the Martial art Known as SILAT.