Kosen Judo (Origin of BJJ)

This was posted here a while ago.

http://igrapple.org/blog/mitsuyo-maeda-the-origin-of-bjj

Because Kosen Judo is the origin of BJJ, here are some old Kosen Judo vids:

part 1

part 2

part 3

part 4

part 5

And what about leglocks?

They all come from this channel - http://www.youtube.com/user/channelmarcus/videos