3 Words to use with backless

Bog sat on a three-legged stool (the only seat except a backless chair) by the side of a miniature stove, on whose top hissed the kettle, from which Uncle Ith made his pot of coffee at midnight.

The first time their class assembled the white children well-nigh dislocated their necks, in their endeavours to catch glimpses of the coloured scholars, who were seated on a backless bench, in an obscure corner of the room.

As a matter of fact, aside from this one immense chair, devoted to the pleasure of the invalid, there was nothing in the room for his visitors to sit upon except two or three miserable backless stools.

3 Words to use with  backless