This armchair can also be made of leather. It has a kind of pillow. It is easy to sit on it, it also creates an anatomical base for the spine. Fill in the anatomical curve. Some kind of pillow comes under the neck. And there is an anatomical curve. There is a red roller. It narrows or increases the curve. It is not completely round. So can be adjusted as desired. When I sit, I would like to have something under my neck. It is convenient when the person sitting there falls asleep after a good lunch. Maybe someone wants to make a real armchair like this with the changes they think they need. Various variations are possible.