Hapkido or even Aikido standing wrist and joint locks can have a very steep learning curve, leading some to dismiss them. What deters most from learning them is they they seem so easy to resist. A strong arm should be all anyone needs to stop someone from removing any grip, much less locking a wrist - unless you know the secret! There's a reason aiki is so esoteric and was considered to be "beyond" normal jujutsu. Unfortunately, the pacifist approach has damaged the reputation of modern Aikido b