JoPo Grips-Interchangeables for Shrinking and Swollen thumbs

Having an arsenal of interchangeable thumbs is important as your arsenal of bowling balls in your bag. Due to physical changes with our thumb, climate change could make it difficult to use that normal size thumb.‪@jopogrips7657‬

[@xDrGeek]

I mean thinking color theory.. Shouldn't blue be shrunk, and red be swollen.. ??

[@SplitThe8_9offthedeck]

The colors used in the video are examples of patriotic colors from smaller to larger thumbs, creating a interchangeable arsenal of thumbs. the red JoPo inner has the drill bit size marked on it, so does the white and blue.