I feel clueless about slings and wraps, despite researching them on the web. They look so confusing to wear, adjust and use for breastfeeding. And what exactly is the difference between a wrap and a sling (a sling has some type of adjustment mechanism, a wrap is all fabric, but what does that mean?) I used a bjorn for my first 3 dcs but since dc4 will follow so closely (14 months) I think I need something I can breastfeed in and use for dc4 whilst having option of carrying dc3 on hip. Any advice is welcome. I don't have too much time left to decide!