Curious. I think the answer speaks for its self. If you do the full 3/8th of a on the first bit. The the move will be overturned. That is the only logical reason. Straight from the book.Continue to turn on RF. step to the side and slightly foreward with the LF. Finish with the body facing wall. P.S. Dont forget the sway. Bit extra to think about. Waltz Progressive Chasse step 4 is the same as step 3 in the Closed Telemark. Also step 5 in the Reverse Turn Foxtrot is the same. To the side and slightly foreward.You see how the pattern repeats it's self continuously.The lesson to be learnt is the Basics are the key to most of your groups plus common sense. I think if I were doing a Telespin I might alter that last alignament.