Do balrogs have wings?

[Suldaledhel]

"Thus it was that he drew far ahead of the van of his host; and seeing this the servants of Morgoth turned to bay, and there issued from Angband Balrogs to aid them."

Before anyone else thinks to revive this discussion through one of their own theories, I would advise reading the other Balrog threads to see if that very idea has not already been offered (and proved invalid). Here's one of the more notable ones I can remember.