Secure-A-Lid's patented wheelie bin latch/lock automatically unlatches upon garbage collection via a gravity-assisted swinging arm. When the wheelie bin is lifted and tilted by the garbage truck, the swinging arm is free to rotate and disconnect from the main latch.
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This wheelie bin lock only works for sideloaded garbage pick-ups. Side loaded pick-ups encompass 95% of all garbage collections. It DOES NOT work for rear loaded garbage pick-ups. Side loaded pick-ups involve an automated robotic arm that picks the bin up from the side of the truck, rear-loaded pick-ups involve garbage men physically pushing your bin and connecting it to the rear of the truck. The below videos clarify the two methods.