Originally posted by: EpoC
about that tree oro cut down, I think he used his legs there, and jing said he didn't saw a tatoo in the anime, actually there is one on his arms, he used it in the forest of death. and how he did the summoning is revealed later on, I think.
Yes, at least in the anime if you pause it or use slow motion on that scene it shows a foot cutting down the tree though it doesn't seem that it would work when he was in bed. I'm still going with my guess that Kabuto summoned the snake for him like wirm said.