Warhammer 40K answer:
LISTEN UP, YA GIT! BUILDIN' ORK TECH AIN'T ABOUT "PRECISION" OR "ENG-IN-EERIN'." IT’S ABOUT DA THREE M’S: MASHIN’, MEK-BOYZ, AND MOAR DAKKA!
HERE’S HOW YA TURN DEM SCRAPS INTO A PROPER POWER KLAW:
GET TA SMASHIN': Grab da biggest 'ammer ya find. Don't look at it, just hit da metal until it looks like it's 'urtin'. If it ain't loud, it ain't workin'.
USE DA GUBBINZ: Take some wires, some rusty nails, and maybe a bit of a Squig ear. Tape 'em on. It don't matter if dey connect to nuthin', it just gotta look "sciency."
PAINT IT PROPER: If ya want it ta smash faster, paint it Red. If ya want it ta neva break, paint it Blue. If ya want it ta look like a big Warboss glove, just use whatever bits of yellow ya looted.
DA MOST IMPORTANT PART: Ya gotta BELIEVE it works! If all da Boyz fink dat bangin' metal makes a Glove, den dat metal becomes a glove. Dat’s da WAAAGH! energy, ya grot!
NOW STOP MUCKIN' ABOUT AND GET TA STOMPIN'! WAAAGH!