[Rebelbase]

It was a piece of hydraulic tubing from the lower body robotic exoskeleton that allows her to walk. The absorbent liner of her pantsuit captured all the leaking fluid.

[combat_boots]

Maybe Mr. Snuffy knows

https://theconservativetreehouse.com/2016/09/12/theres-a-second-recording-of-hillarys-collapse-watch-mystery-recording-operator-on-video/#more-121523

http://dcwhispers.com/close-video-shows-handlers-literally-dragging-hillary-awaiting-van/

[Innovative]

“It was a piece of hydraulic tubing from the lower body robotic exoskeleton that allows her to walk. The absorbent liner of her pantsuit captured all the leaking fluid.”

I think this makes a lot of sense and fits with the facts.

But it also shows that she has some other illness, not “just pneumonia”

[SisterK]

my guess too
piece of the exoskeleton