[Strengthen Muscles]: for a basketball, bowling enthusiast, boxer, rock climber, golfer, tennis player, pianist, athlete and fitness enthusiast, training forearm strength and wrist strength is very important; With wrist exerciser, can effectively improve hand grip/finger/forearm/wrist strength, facilitating the efficient performance of various arm exercises; And can also be applied to release daily stress and for leisure activities [Comfort, Quality and Durability]: the forearm strengthener is made with heavy duty carbon steel springs, which can be bent strongly without cracking or deformation; Thickened foam (10 mm thick) stabilizer pad can protect your wrist effectively for extra comfort and cushion [Adjustable Resistance Design]: this forearm exerciser has an adjustable resistance design, please try with minimal tension on first use; Perform regular and reverse wrist curls with the adjustable stabilizer pad [Training Method of the Wrist Strengthener]: adjust the nylon webbing to the suitable position, insert the forearm into the wrist strengthener, and grasp the front handle with the palm; Train the wrist at a constant speed, 40-50 times per group, 10 groups a day, and rest for 5-10 minutes between each group; One month later, you will have amazing arm strength. [Easy to Carry]: this wrist forearm trainer measures 10.2 inches in length, 6 inches in width, and 2.3 inches in height, compact size, easy to take on the go, to the gym, office or use at home without taking up too much space, also fits easily into a travel backpack; Ideal gift to your lover, colleague, family and friends.