Originally Posted by
Ellis Amdur
Many kendo and iai schools regard koryu with disinterest, even contempt as old fashioned. Others get possessive of their new student, and can put considerable pressure on one, that you are not yet "ready" to start another art. There are body mechanical differences in both kendo and iaido that can be at considerable variance to that in a koryu kenjutsu school. The irony is that the better one might get at the iaido or kendo, the more difficult it might be to learn the kenjutsu.