An anti-moose mat is an electrical mat used to keep moose away from certain areas. In October 2005, the municipal airport in Wasilla, Alaska, a town about 40 miles (65 km) north of Anchorage, installed mats around the airfield to prevent moose from walking onto the runway and colliding with aircraft. A full-grown moose can weigh up to one thousand pounds and stand 6 feet high, and so can create many problems at some airports. Therefore, the anti-moose mat can be very useful. The mat gives a shock and a snap which frightens the moose.