We recommend the Cella office chair over the game chair because the sera chair helps prevent slouching and reduces fatigue even after sitting for long periods of time.

 

I recommend the office chair over the game chair. The video is about the "Cella" chair. The CeJla chair seems to be more durable than the sail chair.

https://m.youtube.com/results?sp=mAEA&search_query=%E3%82%B2%E3%83%BC%E3%83%9F%E3%83%B3%E3%82%B0%E3%83%81%E3%82%A7%E3%82%A2+%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%E3%83%81%E3%82%A7%E3%82%A2+%E6%AF%94%E8%BC%83+

A blog on a report that says the Cella Chair is very durable and good for 10 years of use.

https://disseny.jp/kimama/shop/022celle.html

Video of the instruction manual for the Cella chair, the best and most durable office chair for hunchback control.

https://youtu.be/LevVLfOQ1t4