Handii is a small and multifunctional tool that can be used to train the hand, wrist, forearm and elbow. The Handii is especially useful for people suffering from elbow tendonitis, carpal tunnel syndrome and RSI related issues since the Handii is a device that promotes regaining strength, mobility and overall grip strength by strengthening extensors of the wrist and forearm. However, the Handii has multiple purposes and is also a great device in order to prevent and improve injuries. The exercises featuring the Handii lead to overall pain relieve. The silicone product comes in four different colours and has a range of different strengths regarding tension and resistance of the Handii.