Besides serving as a trait common to Spitz breeds, what practical purpose does the tightly curled tail serve for the resting Elkhound?

Answer

Keeping the tail warm against the body

The curled tail, when resting or sleeping in the snow, helps maintain body heat by keeping the appendage close to the body.

Besides serving as a trait common to Spitz breeds, what practical purpose does the tightly curled tail serve for the resting Elkhound?
HistoryDogpurposebreedelkhound