To temporarily reduce a weight of the whole head by fixing a main body arm in an arbitrary section on a desk, expanding and shrinking a length of the arm, and forming a part on which a jaw is applied from a soft material.

A main body 1 is a jaw resting part, a main body 2 is an arm part, and a main body 3 is a fixed part. The jaw resting part is formed from a soft material. The arm part 2b is constituted in such a way that upper and lower positions of the arm can be set by screws. The fixed part 3c is formed by a screw fixing the whole main body. By supporting a jaw and a head during the works of computer and word processor operation, drawing, reading, etc., using this device, it is possible to reduce a load of a weight of the head applied on a neck and a backbone and reduce symptoms such as fatigue of eye, stiff neck, pain of the scruff of the neck, pain in waist, nausea, etc.