Here is my explanation to stitch the anklet.

First, you should measure the circumference above your ankle. The length dimension (330 mm) in the instruction is perfect for a circumference for about 230 mm.

A well fitting end product should have the option to switch between three different sizes (S,M,L).

To keep the spirit of the hackaday prize 2015, please use an old or worn out piece of clothing out of your wardrobe. I think everybody will find one. Perfect would be 100 % cotton, because of the breathable characteristics.

You will need:

• sewing needle
• scissors
• twine
• velcro fastener (both sides)
• measuring tape
• cloth
• one and a half hour of your time

Here is a (hopefully) easy to understand how-to guide: