Back+MK into SA1

The tutorial vid makes this look SO damn easy but I can’t do it to save my soul. I’ll try it and only regular NDL will come out. Am I doing something wrong here?

B+ MK, to hcf, hcf + P is the way to go but not suggested. The B.M.K. recoils him out of close range, and the further awau u r the less damage XNDL does