Jieishudan (Japanese: “measures to defend oneself”) is a system of self defence, based in the United Kingdom. Jieishudan can be classified as a hybrid martial art as it
incorporates elements of grappling, ground fighting, boxing, etc.
Jieishudan is a UK-based hybrid martial art employing boxing, grappling, and ground-fighting techniques. Developed in the early 1980s, it is an unstructured, nonprofit-making organization
that teaches self-defense at youth clubs and is aimed at teenagers who learn how to defend through martial arts training and improve their physical health.