Eddie Bravo's Invisible Collar...?

Question

He has these terms for odd positions, most I can figure, but WTF is Invisible collar?

Answer 1

Buy his book it will explain it all.

He has totally revolutionised BJJ. He thinks outside the box, isn't held by the strings, does things other people wouldn't think of doing!

He thinks along the same line as John Danaher.

Eddie Bravo is a total JuJisu Master

Answer 2

Where you cannot be submitted with a choke. Bravo is a scientist at BJJ.