Pittsburg is a destination for snowmobile and ATV enthusiasts year round. Activities include hiking, kayaking, walks through glacier caves, and snowmobile and dog-sled safari. Winter events include skiing, ice fishing and snowmobile derbies. Backcountry skiing can be accessed by helicopter, snowcat, hiking and snowmobile. Longer v-shaped segments fit into grooved rods called wear rods under each snowmobile ski. There are almost of snowmobile trails statewide. The makeshift snowboard was made from the debris of a snowmobile that exploded. There are 24 areas where snowmobile trails are maintained, most also offering ungroomed trails. The town is the home of snowmobile manufacturer Arctic Cat. In 1974 Mercury introduced the Sno-Twister 400cc snowmobile designed primarily for racing. Gerald Ford often practiced golf and rode his snowmobile around Camp David. Taiga Motors in Montreal created the first commercially produced electric snowmobile. The 800 model featured a 110HP engine based on BRP's snowmobile motors. The two vehicles are a motorboat (in Venice) and a snowmobile (in Tibet). Most contact between the two is by boat, snowmobile, or helicopter.