Welcome! Great to see another Texan on here.
Sleeping bags can be a bit of a challenge but there are a few ways to go with them. Certainly the suggestion for the 2QZQ zipper modification is a good one so you have a top entry option.
WV's suggestion about "putting it on" as you sit in the entry slot works.
Another way is to stand in the entry slot, facing the head end, open the bag nearly all the way but zipped some so you have a foot box. Slide the bag so the bottom layer is covering the hammock with the top of the bag open to the side, turn, sit, lift feet in and slip into foot box, then start the wrestling Alan mentioned.
To me, the simplest way is to use the hammock as a top quilt, partially zipped to form a foot box. Get in the hammock, slide feet in and pull it over. Tuck the sides under and you are there.