Stories We Like: A Guide to the Comma
a one- or two-passenger motorized vehicle with one or two skis in front and an engine-driven single or double continuous track to propel it. Snowmobiles almost all follow the basic design of skis, fuel tank, engine, and seating for driver. They are steered by handlebars that control the skis and by shifting the position of the driver. Acceleration and braking are controlled by hand-squeeze throttle and brake controls on the handlebars.