PROBLEM TO BE SOLVED: To provide a thing for preventing users posture from worsening which lightly supports users jaw and fixes it thereon to the extent that the thing does not disturb him/her during operation of a personal computer.SOLUTION: A sponge rubber mounting base (made of wood) 2 is provided on one end of a stick (made of wood) 3, a sponge rubber (for putting users jaw thereon) 1 is provided on the sponge rubber mounting base, and a non-slip rubber cushion 4 is provided on the other end of the stick 3. The length of the stick is determined according to an average sitting height for example, sticks with three kinds of length (S, M, and L) are made. The height of the stick is slightly adjusted by using the chair, in which he/she is sitting, or the like.COPYRIGHT: (C)2015,JPO&INPIT【課題】パソコン操作時に邪魔にならない程度であって、顎を軽く支えて固定し姿勢が悪くならないようにするためのものを提供する。【解決手段】棒(木製)3の一端にスポンジゴム取付台座(木製)2を設け、その上にスポンジゴム(顎を乗せる)1を設け、また、棒3の他端にすべり止めゴムクッション4を設ける。棒の長さは平均的な座高の高さに合わせて決め、例えばS、M、Lの3種類の長さのものを作る。高さは座っている椅子等で微調整する。【選択図】図1