In regards to the wrapping of the hand tefillin according to the Ashkenazi method, I see the shin and the yud, but only part of the dalet. This link shows the way I was taught to wrap and this seems to be standard Ashkenaz. Is this not correct? http://www.shemayisrael.co.il/tefillin/ashkenaz.htm

ב"ה Shalom The link you shows you correctly the proper way to wind the Tefillin around your fingers according to the Ashkenazi custom. . The part of the "shin" which is closest to the fingers serves as part of the "shin" but also as a "dalet." Chodesh tov