I wouldn't thoughts making an attempt a type of weighted vibration bars that Use a grip in the center and weights on the top. You keep them in a variety of positions just one handed and two handed, and go your hand/arms forwards and backwards with your arms in https://coingenius.news/heisenberg-gets-let-off-the-hook-in-new-historical-drama-based-on-the-farm-hall-transcripts-physics-world/