Board Thread:Theories and Speculation/@comment-25645405-20150717154745/@comment-26675690-20150717223547

But even with Sasuke you can't really categorize it anyway since the only two known EMS in history are theirs and they are both apparently Choku Tomoe. Besides up until then I think Madara didn't differentiate between his EMS and other MS, so Choku Tomoe are probably the same as EMS just a different name.