The difference between potato tendon and potato fork:. Potato tendons are different from potato wipes. Steamed potato gluten with flour, and rubbed potatoes with flour. Potatoes are tender and soft. Many people are easily confused. This is powder. The flour is wheat without starch, so it can be directly used to steam cold rice noodles, but the steamed cold rice noodles have no gluten. The washed part is gluten.