The katana was tested first against three tatami bamboo mats (with the same density as human bone), and managed to cut them all in one clean swipe in under a third of a second.
All were cut in one clean swipe in under a third of a second. The katana was tested first against three tatami bamboo mats, rated as having the same density as human bone.
The katana was tested first against three tatami bamboo mats, rated as having the same density as human bone. All were cut in one clean swipe in under a third of a second.
The katana was tested first against three tatami bamboo mats, rated as having the same density as human bone. All were cut in one clean swipe in under a third of a second.