[ pair of metal arm guards can be crafted with the following recipes

Autolearned
Player Recipe
Primary skill used: tailor(4)
Required skills: N/A
Time to complete: 30 minutes
Tools required:
> 1 tool with hammering quality of 2
Components required:
> 1x long string OR 1x long cordage piece OR 6x short string OR 6x short cordage piece OR 300x thread OR 300x sinew OR 300x plant fiber OR 300x yarn
> 2x chunk of steel OR 10x scrap metal
Byproducts:
(none)
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This recipe can be found in the following books when tailor is at least the required level:
The Streetfighter's Sidekick (level 3)