How to learn BMX tricks!?

Learning BMX tricks... on a trampoline?! This is Harleys way of learning a new bmx trick... he takes his home made trampoline bike and practices on his trampoline!!! Todays trick? He wanted to learn how to do a superman seat grab! He also tried a regular seat grab - but he struggles a lot with getting his legs back and straight... And then he tried a double hand seat grab superman thing - what even is the real name for that?! will he takes this to @mastersofdirt 🤔 #bike #biketricks #stunt