What's a good way to tie two ropes in the bight?

I’ll add one:
If you have a long rope passing by a large object like a tree, and you want to pinch off a loop around the tree without access to either end of the rope.

Concerning Xarax’s/X1’s latest stalking-harassment-name-calling-BS, I’ll let him argue with himself:

versus

;D ;D ;D ;D