How to make a Foxtail (tutorial)

Like the title says, a tutorial for how to make a Foxtail :) And for them who wanna know the name of the song, it`s called Magic Kaito 1412 White of crime instrumental ^.^ And things you will need is: 1. Fabric 2. Elastic strap 3. Belt 4. Scissors 5. Needle and thread 6. Paper for the form 7. A pen