The harnesses are good quality, nothing to say. However, during my trip to the USA, perch disappointed me for several reasons: - It is not stable during movement "rough". The phenomenon appears on the nearest notch of the GoPro. This is because its production type "antenna". It should have put a guide like for umbrellas to keep out the rotation notches. - Fixing for adjusting the vertical inclination of the Gopro is unreliable because of a plastic gear. The "not" wear out quickly and must be tightened more and stronger. - A step came out of his hole by trying to unfold the boom
