How to get a better vert

[LiL J]

how can i get a better vert i want to jump higher and be able to dunk.

[Gaven24]

Do air alert 3 if ur committed it will work I did it with 6 of my friends and I gained the most gaining 9-11 inches and the lowest gaining about 7-8 inches

[eligius- aurelio]

i heard air alert messes up your knees but i've never done it so its all on you but i heard it works though

[Gaven24]

No if u do it right it wnt mess them up