Baby Harnesses

Here's an excellent image of how babies should be positioned to avoid hip dysplasia! Avoid carriers & tying methods that do not provide your child with knee to knee support in the spread-squat position.

copy info  from : Malaysian Babywearers & full resouce of hip dysplasia http://www.hipdysplasia.org/Developmental-Dysplasia-Of-The-Hip/Prevention/Baby-Carriers-Seats-and-Other-Equipment/Default.aspx