If you choose to use nail head, for heaven's sake, don't be tacky. Skip the nailhead-on-a-roll and do it the old fasioned way, one at a time. It isn't harder, it's just way slower, but guess what? You are already building a headboard, what is one more hour? Plus it won't accidentally get snagged during any, ahem, bedroom festivities.
I’ve Got The Monday Blues With Blue Beds