See crutch
·add. ·vt To notch (a log) on opposite sides to provide a grip for the dogs in hauling. II. Crotch ...
Webster's Dictionary of the English Language
·add. ·- A form of tackle for loading a log sideways on a sled, skidway, ·etc. ...
a kite. ...
A glossary of provincial and local words used in England by Francis Grose