I wouldn't mind making an attempt a kind of weighted vibration bars that Possess a grip in the center and weights on the end. You keep them in numerous positions a single handed and two handed, and transfer your hand/palms forwards and backwards with your arms in different positions https://coingenius.news/from-overconfidence-to-caution-the-role-of-generative-data-intelligence-and-psychological-traits-in-preventing-intelligence-failures/