The Sport-Thieme Finger Training Set - Simple operation for effective exercises / Using the Sport-Thieme Finger Training Set couldn't be simpler: insert your fingers through the device's 5 ring-shaped openings. These openings are ergonomically arranged to follow the natural arrangement of your fingers. What's more, they're flexible to adapt to the size of each finger. To begin training, simply stretch your fingers slowly and then return them to their initial position, gently resisting the tension. This equipment offers numerous possibilities for varying training and improving both fine and gross motor skills, for example through sequence exercises. It is advisable not to perform movements abruptly and to relax the fingers after stretching and pulling exercises / / Product features: / - Material: Flexible plastic / - Dimensions: Length 8.5 cm x Width 8 cm / / The color of the finger trainer indicates the strength of resistance: / - Yellow = Light / - Green = Medium / - Red = Strong / - Blue = Extra strong / / The Sport-Thieme finger trainer set is ideal for anyone looking to improve dexterity and grip strength. The flexibility and ergonomics of this equipment guarantee personalized and effective training, adapted to all levels of intensity. It's the perfect tool for rehabilitation training or finger muscle strengthening.