What is the hardest Rainbow Loom bracelet you can make?

Lots are very hard, and new bracelets are constantly being created and you may have not made all of them, so it's difficult to say.

> However, one bracelet that some people find quite hard is the Skull & Crossbones Bracelet by "Nonni's Crafty Kids." The YouTube link is provided below.

> And a Justin's Toys design called the Snake Belly is called the hardest by many people.