First: Sorry you didnt get the link.... I did try to send it..
Second... The move we have been dicussing is a thrust to the right with the body, even though a different stance, mechanically similar to the move in Nihanchi. In fact some styles do Nihanchi from a horse stance..... and of course if you raise the horse stance a bit you have a stance similar to the stance we use in nihanchi..Yes I realize some differences but the similarity and connection is there.