I recently discovered this Vert Shock Free PDF file.

It turns out that the folks who made Vert Shock (Thincpro) decided to release a free PDF eBook with some excellent techniques to make your vertical look even more significant

This free pdf contains four professional hacks used by NBA and NFL players

It can help you go out there today and scale up to 4 inches vertically without spending a dime

They used to sell this guide for $17, but now they're donating it for free

I'm not sure how long they'll keep giving it up, but hey, as long as it's there and he didn't take it off, you might as well take it

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