I have one. My baby refused every bottle going until v recently. He is now 11 months! They are a bit complicated to put together I think. You can have mine if I can find all the parts - just give me the postage! PM me and I will let you know if I can find it all - probably tomorrow now when I look for it.
Hi there, I used them with my LO when I was BFing. She fed from them well and didn't have any nipple confusion, although still doesn't have nipple confusion and has pretty much been totally FF for the last 5 weeks! They are good bottles and my LO didn't have any issues with wind on them either. I have a couple I could post you if you PM me we can sort out the details.