The ABCs of Babywearing: an internet lingo dictionary

If you're just venturing into the world of babywearing, you might be startled (as I was) by the appearance of an entirely different language surrounding wraps, slings, and carriers. What does MMAO mean? And what's a top rail? That's a wild *what*? Take a deep breath; I've got you. Here's a dictionary of some of the more common acronyms and phrases you'll come across on the internet as regards babywearing.