[Image taken from here]
This morning, I succeeded, for the first time in recorded history, to land my lotus on my upper arms in Karandavasava without an assist, and hold it there for a full five breaths. To be sure, the lotus was perched only slightly above the elbows: I understand that in the ideal expression of the posture, the lotus should be closer to the armpits. But I am quite happy with what I did this morning, and will continue to work on getting the lotus higher up the arms.
The next thing to work on is going back up. When I tried to go back up this morning, it felt as if there were a giant rock weighing me down. Well, actually, to be more precise, it felt like there was simply no place for me to exert the leverage needed to move my lower body away from my upper arms (which probably comes down to the same thing, in absolutely physical terms...) So I basically just aborted the mission, lowered myself down to a seated lotus, and exited the posture.
From watching Kino's video again (see my previous post), it seems that there are a couple of things that can help with going back up:
(1) Landing the lotus closer to the armpits.
(2) Bringing the knees towards the chest, and the hips forward.
In addition, Kino suggests that bringing the head to the ground in the beginning is also helpful. I'll work on all these tomorrow. In the meantime, if any of you out there have any tips on going back up, please feel free to share.