She sat at the end of the bar, her back to the adjacent empty stool.
Louise entered the club through a back door and found an empty stool at the bar.
Then he walked across the floor and took one of the empty stools at the bar.
There was one empty stool at the bar, which I took.
He found an empty stool near the end of the bar and slipped onto it.
The woman pointed to an empty stool at the counter.
Jay found an empty stool at the bar and slid onto it.
I turned my head and there she was - she'd moved over to the empty stool.
She had just ordered a second glass of wine when a man slid onto the empty stool.
He looked around for a table with an empty stool.