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9.5mm Technora sheathed ropes with toothed devices in Dual Main systems.
So what if you do need to attach a sling directly to a wire?
How do common sling materials respond to a range of contaminants? These tests show that perhaps modern Dyneema slings are not as robust as hoped.
Can we rely on devices to slip on ropes at predictable forces given the possible range of physical and environmental conditions? Here we test the Petzl Shunt on several different ropes.