E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Hag-knots.
Tangles in the manes of wild ponies, supposed to be used by witches for stirrups. The term is common in the New Forest. Seamen use the word hag’s-teeth to express those parts of a matting, etc., which spoil its general uniformity.
