To create free and unique curl waves by making protean a rod to be a base while always keeping the half fixed state of hair bundle by wrapping the hair bundle with the rod.

The rod is formed by integrating a soft impermeable paper material B where square holes C in the state of a net are bored and a wire-like subject A, and vertically parallel projecting parts are generated only one side of it. When folding a hair bundle so as to wrap it and inserting and sandwiching the hair bundle, the hair bundle is divided by right and left walls generated by crossing of upper and lower projecting parts which the hair bundle comes into contact with and is simultaneously pressed down by the walls of recessed parts.