Hatchel n. An instrument with long iron teeth set in a board, for cleansing flax or hemp from the tow, hards, or coarse part; a kind of large comb; called also hackle and heckle.
... mountain where the sheep roam, or hunt up old Brindle's calf in the woods, or gather oven-wood for his mother to start again the big brick oven with its dozen loaves of rye bread, or see the plow crowding the lingering snow-banks on the side-hill, or help his father break and swingle and hatchel the flax in ... — The Wit of a Duck and Other Papers • John Burroughs