Changes

must be on the part of the blade that faces outside. So as Tachi is worn

must be on the part of the blade that faces outside. So as Tachi is worn

edge-down and Katana is worn edge-up, the signatures are placed in opposite

edge-down and Katana is worn edge-up, the signatures are placed in opposite

positions. Obviously this change was more a low evolution rather then a  

positions. Obviously this change was more a slow evolution rather then a  

suddenly revolution. So we have a lot of blades that are "in between"

suddenly revolution. So we have a lot of blades that are "in between"

and that is, for now better to skip about.

and that is, for now better to skip about.