Also known as "half-burger," (derived from half-cheeseburger, a term itself derived from cheeseborough).
A popular attachment device for mounting moving lights, as well as conventional fixtures, onto aluminum truss. One disadvantage is that the full weight of the fixture must be supported until the clamp is tightened.
http://www.thelightsource.com/products/10/view
The clamp pictured above shows a larger, improved wing-nut than what is usually encountered. The thinner, smaller, and more easily bent/broken wing-nut is more common:
http://www.doughty-engineering.co.uk/cgi-bin/trolleyed_public.cgi?action=showprod_T57000
A popular attachment device for mounting moving lights, as well as conventional fixtures, onto aluminum truss. One disadvantage is that the full weight of the fixture must be supported until the clamp is tightened.
http://www.thelightsource.com/products/10/view
The clamp pictured above shows a larger, improved wing-nut than what is usually encountered. The thinner, smaller, and more easily bent/broken wing-nut is more common:
http://www.doughty-engineering.co.uk/cgi-bin/trolleyed_public.cgi?action=showprod_T57000
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