Download this step-by-step ‘walk-through’ to aid with the inspection and maintenance of DMM auto-lock carabiner gate mechanisms. Following on from a visual and tactile assessment, there are three gate action (function) tests described, to ensure that the gate closes fully and reliably. A non-silicone based lubricant such as Duck Oil is recommended (do NOT use graphite powder) to … Continue reading Inspection and Maintenance of Locking Gates