Since this part of the project is so tentative, this is one of the reasons why I’m asking you volunteer testers to be local—so I can meet in person, walk you through the sizing process, and let you try several Main Body sizes before settling on the test pick that best fits your fingers. That said, however, I am asking each of you to submit this index finger measurement as part of the application process, so that I can have a rough estimate of how many of each size of the Main Body might be needed for the testing program.
How to Measure Your Index Finger
The following post-it note method ensures precise measurement of the relevant portion of your right index finger. All you need is a square-edged table, a post-it note, a ruler and a marker.