Self-Defense - Judo - Juji Gatame
Human Weapon: This video tutorial shows you how to do a Juji Gatame. The juji-gatame is derived from judo.(十字固, "cross armlock" or technically referred to as ude-hishigi-juji-gatame.

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

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.