Underground plugger punches above its weight

A HIGH speed and high impact underground mining plugging device that protects workers and machinery from being hit by abandoned drill rods can handle weight thousands of times its own but is still light enough to hold with one hand, according to inventor Leigh Sutton.

Underground plugger punches above its weight Underground plugger punches above its weight Underground plugger punches above its weight Underground plugger punches above its weight Underground plugger punches above its weight

Inventor Leigh Sutton holding his spear