That depends on how it got wet, in water or something that gets sticky when it dryies . If you lost it in water, no problem, just take some paper and make it dry, if it was some sticky stuff, you are screwed.
You can get them at prowood fingerboard or flatface fingerboard.
Tech Deck is a brand of a fingerboard. Fingerboard is a name of games.
Online fingerboard shop from Poland www.mittskateboards.com
www.zshred.com you get the best fingerboard stuff for a great price
You can use three fingers but it is harder to do tricks and you are supposed to fingerboard with 2 fingers as a skateboarder would use 2 legs.
BlackRiverramps.com
flatfacefingerboards.com
www.zshred.com or www.yellowoodstore.com
o:
More information is needed as to the purpose of the holes, and what a 'fingerboard' is .
you do it the same way you do it on a real skateboard. except its your fingers. pop the fingerboard with your middle finger then slide your index finger to the other side. practice slow then when you got the hang of it do it fast. there you go an ollie on a fingerboard. TADA
Just buy one its easier to do that