If all your forms are up nice and level and plumb and you dont want to take them down just mark the middle of the forms edge (use a compass) and grind down the bow side for the bow forms and stern sides for the stern forms. That way the strips will hit the center of the forms edges and leave you a little more meat to staple right where they contact the form.

I normally bevel the forms that way, just on a router table before putting them on the SB.

ps pin size finising nails will leave a better look than the double staple holes, so using them isnt a bad thing.