Ergonomic design --- The perfect design of the product maximizes the range of activities during exercise, using the Velcro adjuster, without having to consider the circumference of the wrist. Hold a fitness machine to enhance the strength of the fingers, forearms, and wrists. It can also isolate and train the flexibility and endurance of each finger separately.^ Recommended professional knowledge ---Hand yoga has been used by musicians, physiotherapists, doctors, and technicians in various fields to exercise their hands for health.^ Rehabilitation --- Hold an exerciser to correct muscle problems and increase blood flow to the affected area. It helps people with arthritis reduce pain and stiffness in their hands, while improving finger function and movement to improve finger mobility.^ Combination --- We are sold as a combination of 20 pounds and 40 pounds, which is convenient for primary, mid-term and late rehabilitation, one-time purchase, multiple use, and also equipped with finger cots for easy replacement.^ Start now ---Done is better than perfect, do it, go face your better self