Camcorder on a stick? — Video Production — DVD MP3 AVI MP4 players codecs conversion help

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I notice a type of camcorder support device that has a stick between the
camcorder and a waist belt. This looks like it may reduce stress on my bad
back while I run around with a 5 lb camcorder.

If you have used such support devices, what is your experience? Do you have
to be constantly adjusting the length of this stick while panning? Does it
help or get in the way?