! razorbar katar can be crafted with the following recipes

Player Recipe
Primary skill used: fabrication(4)
Required skills: bashing(1)
Time to complete: 30 minutes
Tools required:
> 1 tool with metal sawing quality of 1
> 1 tool with screw driving quality of 1
Components required:
> 4x plank OR 8x stick
> 5x rebar
Byproducts:
(none)
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This recipe can be found in the following books when fabrication is at least the required level:
The Streetfighter's Sidekick (level 3)
The Swords of the Samurai (level 8)