Buttery Backside Flippage Challenge!

[frefra]

Hello! First of all I am from Argentina and I am using the google translator to speak. I just want to say that I can't find any way to make the challenge, could someone do it? could explain?

[MOISES]

ajajajajaj hre

[Lofibaldo]

Loco tengo el mismo desafio, hay q hacer Backside 540 fackie invard 360, pero ni idea como. Ya probe de diferentes formas y no sale uno.

[fingerflip_]

tiene errores y no funciona, el juego no reconocerá el truco.
It has errors and does not work, the game will not recognize the trick,

[Lofibaldo]

Oh ♥♥♥♥