The steel Wall Spreader from Lightbulb Rentals accepts a length of 2 x 6" lumber at each end which is then expanded by a bolt on the clamp to create a span between two walls from which light fixtures and other grip gear can be hung.
Female Jr to Female Baby Adapter$5/day
Matthews Car Mount Suction Cups 6″$12/day
Autopole/Polecat: Manfrotto Deluxe 2 (7′-12′)$15/day
Hollaender Fitting: 90° Corner w/ Pass Through (1-1/4″)$8/day
Telescoping Stirrup w/ Pipe Clamp 6′-10′$6/day
Autopole/Polecat: Maxi (8.2′-15.5′)$15/day
Backdrop Kit (12′)$15/day
Cardellini: 6″ End Jaw- Long$5/day