[Invalid or Expired Link Removed] because it is beast, and can double as a attachment that will lock on to the front, back or sides of my steam roller for extra carnage.
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Not bad for 190$. Long reach is a plus too.
Personally I'd prolly just raid the House of Knives in a local mall here (running over zombies in my '93 sunbird [they're usually pretty soft due to decomposition]) or head straight for china town. There is a store that has an entire RACK of katanas, prolly like 10 or 12 of them