Twister Arm Trainer for Men, Chest Workout Equipment 5-Level Adjustable (40-130lb) with Ergonomic 27° Targets Biceps/Clip/Thigh, Portable Exerciser for Home Gym Travel Fitness
Bought from Amazon for $34.99+ tax, ask for $10.
https://www.amazon.com/dp/B0FK11P8MT/ref=sspa_dk_hqp_detail_aax_0?sp_csd=d2lkZ2V0TmFtZT1zcF9ocXBfc2hhcmVk&th=1