The Jump Manual By Jacob Hiller – Does It Work?

Hey folks What do you think about The Jump Manual by Jacob Hiller? Have one of you tried this vertical jump program and can tell me if the exercises inside really helped him to increase his vertical? I'm thinking seriously to buy Jacob Hiller's Jump Manual program so any help from people that bought it... show more Hey folks

What do you think about The Jump Manual by Jacob Hiller? Have one of you tried this vertical jump program and can tell me if the exercises inside really helped him to increase his vertical? I'm thinking seriously to buy Jacob Hiller's Jump Manual program so any help from people that bought it and can share their own experience with The Jump Manual will be very useful for me.

Thanks for the help!
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