This is because people are prone to the sore waist when sitting upright all the time. When there is a backrest, people will sit deeper on the stool so that the back can lean on it. This will not only relax the back but also make the body more comfortable The center of gravity is located in the middle of the chair surface, allowing you to sit more stably.
Dec 19, 2022
Why Do Dining Chairs Have Rings On The Back？
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