well do u want the hand to look like a solid image or kinda like a fingerpainting? for the solid image just trace your hand on the pg in pencil. make sure ur happy with it then using a sharpe marker (id use black if its a white pg or those new silver ones if its anything else) trace the handprint. once thats done its time to tape up the entire pg with masking tape or painters tape. use 2 layers of tape or as many as u can so u can still see the outline of the hand u drew with the sharpie through the tape. then use a razor blade and carefully cut out the handprint, dont go too deep or ull slice up the pg (which is y u do more than one layer of tape, adds some protection) anyways once thats all done lightly sand the handprint area, just scuff it up so the paint will stick, after that spray the pg with whatever color u like. let it dry real good and then take the tape off, u can then either outline the handprint with a thin brush and some acrylic paint (like when u build a model car or sumthin) then just get a can of krylon clear coat. do as many coats as u want and let it dry, and ur done.
now if u want to do the fingerpainting look, id just get some acrylic paint of the color u want, paint your hand (or whoevers hand) lightly (if u use too much ull get globs and those could chip off easily, ruining the darn thing) and then press it down on the pg. some turpentine will take the paint off ur hand and then all u have to do is clear coat it, and u should be alright.
In fact, that's what I'm thinking about doing for my Bongo!
