Jenrose demonstrates a "santa toss with support twist rucksack-style" back carry in a Sachi Mei Tai from Attachedtobaby.com This is the first of three videos. There are a wide range of methods for tying the straps or getting a baby on your back, this is the one I've found the fastest and safest "in a hurry". If I will be wearing her long, I may shift to a twist or cross in the front, but re-tying the front straps is simple once baby is up there and the waist straps are tied.