I bought the "Sniper Strap The Pro" my boyfriend for our New York vacation. He was enthusiastic at first. Just when you had to go through crowds through, the camera on the belt behind the back was well placed. Even the fast availability of the camera was a plus! In the beginning he has also regularly monitored the screw if this still is stuck .... it sat always fixed. But then it happened: When crossing the 42nd street, the camera triggered by the belt and hit the road on. The Canon D600 SLR was luckily only minor scrapes from but the wide-angle lens (cost 700) was get damaged. Autofocus is defective, cracked plastic housing, Optical: NA.
Whether it was due to the high temperatures (38-40 ° C) or to something else we know of course that not only has solved the screw of the belt.
So without security, which is addressed in some forums the use of the belt is certainly a risk. However, when using this assurance the ball bearing does not bring anything more, because the device can no longer rotate the belt. We are healed definitely of this solution and have now opted for a secure system.