They looked like sleek, fat wolves, and they were, indeed, but domesticated wolves.

Friendly they seemed, but they were ever ready to take advantage of the helpless and unwary, and their great white fangs were not above tearing their own master into shreds should he ever be so careless as to stumble and fall among them.
The sledge was taken out and overhauled by David.

It was fourteen feet long and two and a half feet wide.

Twenty cross-bars formed the top.
Not a nail was used in its construction, for nails would not hold an hour on rough ice.

Everything was bound with sealskin thongs.