Old, Heavy, Functional Roberts carpet stretcher and carpet seam 'crab' (used to draw a seam, repair or joining two rooms (closet) at a doorway.
again, it's heavy. made of steel and wood, not aluminum and plastic.
Totally Functional with extra extension tubes to stretch, if i recall, a 24' room (5 5'1" extensions less 4 6" joint = 23'9", then add 3' head and foot > 24')
five-one-two IV VI I - IV VII zero V