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Who da' f**k is Rick Ruskin??? (Just kidding!)
Seriously, good luck on the endeavor. I assume these are clinics? Might you be actually doing some instruction, and not just oh-my-god-look-at-him-play stuff?
No way you're gonna play like Ruskin. I actually got an unretouched picture of his hands before they photoshopped the picture that he used on his album:
First picture is the actual photo they worked from. Second picture is how it appeared on the album.