A dough hook is the hook-shaped heavy metal arm used in mixing machines for mixing and kneading bread dough. Fitted to a stand mixer or spiral mixer in place of the beater, its curved or spiral form mimics the folding, stretching action of hand kneading: it pulls the dough up, stretches it against the bowl, and folds it back on itself, developing the gluten network that gives bread its structure. The hook handles stiff, elastic doughs that would strain a flat beater or burn out a weak motor — the reason every serious bread baker’s mixer ships with one. Technique matters: the dough should clear the sides and slap the bowl, and over-kneading is as real a fault as under-kneading. From home stand mixers to industrial spiral mixers turning hundreds of kilos, the hook mechanises the oldest labour in baking.