Awesome finds. The SBH B, -delay-, [2]BB4, SCH kA+B+K, JagA tech trap also works if you use SRSH B as a starter instead of SBH B.
It has only 2 possible clean hits, but it's still a nice alternative to good old SRSH B, 44{B}, SBH kA+B+K, since it provides at least guaranteed damage not far...