These are unfortunately really uncomfortable for babies and they aren't recommended as they don't offer proper hip support that small babies need. I would put it on ebay and look to get yourself one that will be more comfortable and supportive. Manduca is a good brand, as is Ergo, Connecta, there's several ergonomic carriers that you'll likely have much more success with. There is even a Bjorn ergonomic one now, though no idea if it's any good. I'd really recommend though getting to a sling meet so you can try a few before you buy and get some advice on fit. Different ones fit different bodies better or worse, so it's good to try a few first before you make the investment.
