If you only have a few pinholes I think you should be able to get rid of them by gently and thoroughly heating the area with something like a heat gun and then apply a small amount of epoxy. As the area cools down it should suck the epoxy right in. I'm curious though. Are the pinholes located over a join, crack, or something similar? If they are over plain plywood I would suspect you have more than 2 or 3.

Ted

: I am 1 skim coat away from varnishing and ther are a 2 or 3 tiny needle size
: holes in the deck n hull. All my past atemps to fill have faild, I tried
: to force the epoxy in with a squeegee but after a min or two a bubble
: forms, then i tip it off and nothing. should i just leave them alone and
: varnish? I am not sure if it goes under the cloth or not, worried of water
: getting in and doing damage. Thanks for any help and comments.