Originally founded for the deadly Apps Worm, the Flexi-floss is utilised for various tying applications. Its elastic properties make it perfect for bodies, ribs and busser cheeks. The more tension you apply to the material, the smaller it will become. However, you can also incorporate Flexi-Floss as legs on patterns for maximum movement. Upavon Flexi-Floss has been dyed in the most popular fish-catching colours.