To screen off the splashing up water without bothering the wash itself by attaching a transparent shield plate onto the holder put around the wrist extended outward so as to keep off the water splashing up.

Washing aid used to wash on the washing device has a holder 1 to put around the wrist made of a bendable belt having a pair of hook and loop fasteners 10 at both ends. A transparent shield plate 2 made of a thin resin plate having considerable stiffness of which one edge is fixed to the holder 1. The shield plate 2 is shaped like visor or brim of the cap based on the fan shape less than 180 degree angle around the wrist. When used with a holder 1 put around the wrist, free end of the shield plate 2 is bent downward to fingers and along its arch also bent toward both ends.