Bebe Sachi Sutera Nilam Jati silk handwoven size 6.
Here are two front wrap cross carry videos.
Photo tutorial here (Front Wrap Cross Carry)
There are more videos and photo tutorials listed on the Carrying Matters 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
Facebook page is here and the online support group the Virtual Sling Surgery is here