Yah it is a bottom entry hammock. All the bags I own are just plain old mummy bags. Practice makes perfect...and I was highly motivated as I hate having a cold back. I still move pretty good...not one of those 40 + beached whale types and the Hen. is spacious for me. I string the hammock as tight as I can get it with "clove" hitches then bounce a bit to stretch rope and then adjust if necessary; I like to sleep on my side and move very little-probably from all the years in a bag, not the bag! Its got to be tight then she wont settle, and I wont end up in a knot by mornin'. I am light so I dont get much line stretch.  

I suppose technique(tamed down) could best be described as a cross between a modified crab walk, twister half full, and some of the things I use to do when i was old enough to know better and still young enough to still do them anyway; like now.

The thermarest is under inflated so i fold it half then unfold and adjust then skouch in the bag (like putting on the second sock...its rooooolled on) before I have her turn out the light ;)

Totally doable. When I get time I will do a video and post link. I mean that :D