APCO announced in their July 2013 Newsletter they are launching a new magnetic mount for GoPro cameras.
Following growing demand, APCO has designed a new magnetic GoPro mount with both tilt and roll position adjustment.
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Weight < 120 grams
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16 Super strong magnets insure secure connection.
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The mount will allow secure attachment to any soft surface, such as your canopy, harness, backpack or clothes.

More details...http://www.apcoaviation.com/DL/magnetic_GoPro/index.html