The Headlock can save as many as 30 seconds for each lantern you lock off by requiring only one spanner for all - or one hour for 120 lanterns. By reducing the number of tools required it becomes easier to work with them on lanyards and makes focusing safer for anyone below. The Headlock won the ABTT Product of the Year Award in 2001 and has sold more than 4,500 to date.
ABTT 2003 - Free Headlock with ETC Source Fours
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