On the trail. Sleds are iced so that the runners run easily and lightly over the snow. 'icing' means to put a thin coating of water on the mud runner where it freezes hard very quickly. 1940s.PWNHC: N-1979-050-1176

Icing runners

Icing runners for snow travel by putting water onto muddy runner, where it freezes.

Evidence
n/a

Perspective
Sled runners are iced for snow travel.

Significance
They must be re-iced periodically on the trail and are iced differently for different travel conditions.