Self-Defense Marine Martial Arts - Rolling Knee Bar
Human Weapon:

Self-Defense - Pankration - Achilles Leg Lock
Human weapon: This video tutorial shows you how to do an Achilles Leg Lock, from Pankration. An achilles lock (also called an achilles hold or achilles squeeze) is a compression lock that involves pressing the achilles tendon into the back of the ankle or lower leg.

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.