In the hydrophobic effect, the hydrophobic casein coagulates. The blood coagulates to form a blood clot situated between the broken fragments. Under the action of the rennet, the milk coagulates. Papeda is made by cooking sago starch with water and stirring until it coagulates. Baking coagulates the gluten, which, along with starch, stabilizes the shape of the final product. For example, metals from shipwrecked sites can have encrustation, which means they contain coagulates. The latex that coagulates on the cut is also collected as "tree lace".