who has it???
i bought it and i think its good!.... no actually its great, i always thought that the quads were resonsible so im gonna be dunking in no time!

tell me what you guys learned from it!

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Do you see a resemblance>?
Height: 5'10 with shoes on
Weight: 155 lbs all muscle
Body fat %: 6.4
Age: 17
Standing Vert: 31