Added pics and specs to CS-91MK Cold Steel Mini Koga SD2
Made of virtually unbreakable plastic, the SD can increase the ability of the average person to defend himself several times over. With proper training, it can function as a fantastic aid in leverage when obtaining joint locks or submission holds. But where it really shines is as an intermediate impact tool.
More information here:
http://www.1sks.com/store/cold-steel-91mk-mini-koga-sd2.html