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To increase the mobility of a wheeled vehicle operating in soft terrain such as sand, mud or snow, it is necessary to increase the footprint of its tyres, normally achieved through the crew decreasing the tyres' air pressure. For example, a 4×4 at low pressure can easily exceed the footprint of an 8×8 at service pressure.
The Hutchinson internal beadlock ensures the clamping of the tyre beads on the rim at lowered or zero pressure. As a result the vehicle capabilities are enhanced by increased traction and braking power, improved steering control, and a significantly reduced chance of rollover caused by the unseating of a tyre.