An item that requires electronics 5 and fabrication 3 to craft. Recipe found only in Ham Radio Illustrated.
Ingredients: copper wire (100) for coils and stuff, 5 electronic scrap, 1 circuit board, a two by four/heavy stick, noise cancelling headgear, scrap metal and paper for headphones and batteries to use.
Can be activated only with any kind of shovel in inventory. When used, consumes charge and has a chance to give a random metal item. Can be used a limited number of times per map square to avoid grinding metal in the same place.
Certain map squares may have bonuses to find a particular item. For instance, in the city/subways you can dig up underground cables to salvage for lots of copper wire and plastic chunks, sewers give you a high chance to salvage pipes, etc.
Makes you deaf when you use it. Alternatively, produces noise, but doesn’t require stuff for headphones in recipe then.
Bottlecaps can be added in game as a junk item with high chance to find. Say, a dozen bottlecaps can be melted/welded for a scrap metal. Should be found in garbage bins/dumpsters, too.