Boot-Leg Jaw Breaker effector with LEVEL, HEAVY, and BREAK controls. - Brand: Boot-Leg - Model Name: Jaw Breaker - Type: Effector - Controls: LEVEL, HEAVY, BREAK - Country of Manufacture: Japan (Tokyo/Osaka) - Series: JBK-10 Currently, I don't have an environment to confirm its operation, so please understand this before purchasing. It was working fine a few years ago. Thank you for looking.