Floor seat for sitting and leaning on the floor has square board or seat board with straight slots parallel to four edges of board; further boards or seat-back boards of same width as slots that can be pushed into slots

摘要

The floor seat has a square board (1) or a "seat board" with straight slots (2) parallel to the four edges of the board. Further boards or "seat-back boards" (3) with the same width as the slots can be pushed into the slots. It has a square cushion that is no larger than the seat board that can be used as a seat cushion or seat-back cushion.