Forearms
Biceps, Shoulders
Watch Tutorial
https://www.youtube.com/shorts/_cdWkwQGffU
https://www.youtube.com/shorts/GJbQ57XrtlY
https://www.youtube.com/shorts/mbCuoQed0h4
https://www.youtube.com/shorts/UJXO6FyO1Og
https://www.youtube.com/shorts/5YdItj0iUi4
https://www.youtube.com/shorts/08iE5yAILe0
https://www.youtube.com/shorts/JiFl_TGcFzs
https://www.youtube.com/shorts/P8nH0DDhBGI
https://www.youtube.com/shorts/jo7uPrA-hco
Stand tall.
Hold plate each hand (or two plates pinched together).
Grip ridge with fingers, thumb opposite side.
Arms extended down sides or front.
Squeeze plates tightly.
Hold for time.
Relax. Repeat.