[Tana]

As it is right now, quality tools (Thin Drill, Whetstone, Metal Stitch, etc. etc.) all require Iron Ingots to craft. This is in direct contrast to things like weapon parts (Piercing blade, Razor Guard, Sharp Hilt, etc. etc.) that instead ask for Material (Hard), letting you use things other than iron for them.

I'd like to suggest that quality tools be changed to also instead ask for Material (hard), to allow other things be used to make them besides iron.