How about Mu Jing's claw hammer?

Mu Jing square claw hammer is a traditional martial arts instrument in China, which was invented by Mu Jing Changxiu. It is often used to practice Tai Ji Chuan, Bagua Palm and other martial arts techniques. Claw-shaped structure is adopted, the wooden structure is stable, not easy to deform, can withstand heavy blows and has a long service life.

Mujingfang claw hammer is suitable for Tai Ji Chuan, Bagua Palm and other martial arts techniques, which can train the coordination and flexibility of the body.