Manufacturer: The Power Torquer is an assisted strength training device designed to isolate the chest, arms and shoulders. The power twister works the pectoralis major and minor, the main muscle groups that cover the chest area. Overview Highest quality carbon steel spring with non-slip plastic handle. Internal and external double spring flexible design, million times bending test. High-density woven safety wrist strap, effectively preventing breakage. Juer handle with non-slip design for excellent grip. How to Use a Power Twist Both arms, elastically bent behind the neck. Bend both arms forward and upward, then relax. Bend the spring with both arms toward the chest, then slowly release. Stand two feet apart. Bend the right elbow with the left hand flex spring, then bend the left elbow with the right hand flex spring. Hold the springs behind both arms and slowly bend straight down. Strive for volume, not weight. Package Included: 1 x Power Torquer Attention Please fasten your seat belt Put on gym gloves for better results Kids cannot use it under adult supervision Warming up your body before training is very important to avoid training injuries About this product? [Wrist wrench trainer]: The product design simulates the real wrist wrench scene. Effectively exercise multiple parts of the wrist, such as the wrist and forearm, and help to strengthen the strength of fingers, hands, and forearms. ?[Exercising Forearms and Wrists]: This fitness equipment can exercise your forearms and wrists, specially designed for your arm flexors and extensors. (Limited to make the ground surface absorb smooth) ? [Durable Material]: Made of steel, strong and durable. Plastic non-slip handle, spring plate, strong suction cup. Strong and durable, not easy to break, break, deform, and have a long service life. ?[e Anywhere]: Small size, easy to carry, go to the gym, office or home. Unisex, suitable for e in o environments. ?[Ideal fitness equipment]: Exercise the strength of multiple parts of the body. Suitable for all industries, good news for practicing wrestlers anytime, anywhere ? [Wrist wrench trainer]: The product design simulates a real wrist wrench scene. Effectively exercise multiple parts of the wrist, such as the wrist and forearm. Helps increase strength in fingers, hands, forearms. ? [Exercising Forearms and Wrists]: This fitness equipment can exercise your forearms and wrists, designed to target the flexors and extensors of the arms. (Limited to make the ground surface adsorption smooth) ? [Durable Material]: Made of steel, sturdy and durable. Plastic non-slip handle, spring plate, strong suction cup. Strong and durable, not easy to break, break and deform, long service life. ? [e Anywhere]: Small size, easy to carry, go to the gym, office or home. It is unisex and suitable for every setting. ? [IDEAL GYM EQUIPMENT]: Build muscle and strengthen multiple parts of your body. Suitable for all industries, practice the Gospel of wrestlers anytime, anywhere