The polar film is used on the necktie. Easy to set up on micro flips, perfect for large Madai, Grater. Features of the Polk Film Hook Set • Featured polar film on the necktie. • Easy to attach to Micro Flip • "Swimming Tylaba" and increase the rattle • Strong when a little throw, just roll it up and no tide. • Can also be used with other Tyravers such as DANGO