I know this sounds like a really stupid question but I’m a ftm and don’t want to get it wrong! I know you’re meant to use cellular blankets in the crib, and I understand this is because they have holes in so baby can breathe if it goes over their face? I’ve been given lots of handmade knitted/crocheted blankets and some have holes in the pattern - are these ok to use or do I need to buy a special cellular blanket? I have bought some newborn gro-bags but want to have something in case baby is too small for them at first.