Step 1: Items
2. Rubber band or crunchy preferably.
3. Tennis ball
4. Sharp scissors, preferably exacto knife or similar.
*Depending on which you use rubber band or crunchy has different elasticity. Experiment!
(We will use this as a tracer tool for marking our cutting line.)
Step 2: Wrap With Knowledge
The crunchy should form the middle line of shape N and Z when completely symmetrical.
Step 3: Cutting to Conclutions
Step 4: Magic Science Science Magic
*step two is where you can toy around with the measuring=custom fit with the proper math "if i knew"
Experience more comfort by trying out different types of balls ;)