The Bebe Sachi Meh Dai/Mei Tai is a soft wrap conversion carrier suitable for babies to small toddlers, with wrap straps and a simple tie waist.
There are more videos listed on the Sling Surgery main website.
The Sheffield Sling Surgery website is here - full of useful information about safety, all sorts of articles about warm/cold weather carrying. knee to knee support, big kid carrying and so on (direct link here) and a post about how to choose a sling here
Drop in dates link is here - listing all the upcoming library sessions
Facebook page is here and the online support group the Virtual Sling Surgery is here