Given all these direct-to-consumer business models (mattress, clothes, glasses, contact lenses, razors, toothbrushes, shampoo) I'm surprised a subscription model business for custom fit condoms hasn't taken off yet. I know many men (privately) complain about poor-fitting condoms that come off during sex or are too small (and hurt). Seems like another one of those regular purchases (along with contacts, razors, toothbrush head startups that have raised so much $$) you could make a case for as far as another consumer subscription-based vertical goes.