Share https://www.speedstacks.com/home/one-handed-stacking/?srsltid=AfmBOoqbxbhez4ewHeEhgysgBCp0eIbXRv4vl2TEdrLhBU848hd5ZRJg
One handed stacking helps develop coordination in both your dominant and non-dominant hands.
Try with the 3-3-3, 3-6-3 or Cycle.