Thus, in a preferred class of embodiments, the collar has a pivot for the chin support pieces relative to the collar body, and an other pivot for the chin piece relative to the chin support pieces.
因而，在优选类别的实施例中，颈圈具有相对于圈体用于下颚支撑件的枢轴，和相对于下颚支撑件用于下颚部的另外的枢轴。
A decrease in jaw size could flatten the chin and soften the neckline, while changes in nose bones could lead to "decreased nasal support".
颌骨变小使得下巴扁平、颈线柔和，而鼻骨的变化则会使鼻子不再那么挺拔。
Neck de-tenser Lie on your stomach, elbows on floor. With eyes closed, cup chin with your left palm and support the back of your head firmly with right hand.
放松颈部动作俯身卧倒，腹部着地，双肘着地，闭上双眼，左手掌呈杯状托着下巴，右手用力扶着头后部。
Neck de-tenser4 Lie on your stomach, elbows on floor. With eyes closed, cup chin with your left palm and support the back of your head firmly with right hand.
放松颈部动作俯身卧倒，腹部着地，双肘着地，闭上双眼，左手掌呈杯状托着下巴，右手用力扶着头后部。
Neck de-tenser4 Lie on your stomach, elbows on floor. With eyes closed, cup chin with your left palm and support the back of your head firmly with right hand.
放松颈部动作俯身卧倒，腹部着地，双肘着地，闭上双眼，左手掌呈杯状托着下巴，右手用力扶着头后部。
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