"Effective upper body workout: great for building your hand, wrist, forearm, bicep, triceps and back muscles
Designed for increasing strength and safety : harness the safety rope in the grip onto your wrist before using, so as to prevent hitting others
Made of Carbon Steel and High grade Plastic
Portable Multipurpose Workout Equipment
How to use:
Arms should be bent. Curve the spring through force in the back of the neck.
Keep elbows and Shoulders stable Repeat 6 -10 times the bending and relaxation of the spring, then relax.
Arms close to the chest, bend the spring, then straighten up slowly and relax after repetitions.
Stand with feet apart in line with shoulders, bend the right elbow; With left hand bend the spring.
Then bend the left elbow; With right hand bent spring.
Both arms behind; clench the spring, and then gradually straighten.
NOTES:
Pre-use check whether the grip is firm, without loosening.
Please choose your own level of physical strength of arm, so as not to strain muscles.
Use the wrist wrap on the safety arm at always before exercising to prevent any accident.
Should choose a relatively spacious area for exercise, so as to avoid any accidents.
Not recommended for children under 12 years of age."
