Hi,
Check out the 'habaki' on the sword at about 8min 46 sec, it appears to be offset. The 'habaki' on mine closely follows the contour of the blade and certainly looks like it was made specifically for this blade.
https://www.youtube.com/watch?v=Mf8KFkEd4oQ
Regards,
Norman.
P.S. Also how the wrap is finished at 3 min 12 sec.