Double-decked thickens the cotton material cotton material, the dorsal zipper is advantageous puts on escapes, the hand zipper design is advantageous for the observation hand situation, patient double upper limb fixed front or nature sagging body posture. Waist minister brings the prevention clothes to upturn, is also advantageous for fixed Yu Chuanghuo the chair. Used the strong stretching resistance cotton material cotton material tailor to become, intermediate left a blank the design to be able when the restraint formed the simple slipknot, the patient in moves restlessly in the situation more to struggle is tighter, thus has guaranteed the restraint validity.