This was what was troubling the worthy Senators, and causing them to frown and pucker their foreheads.
"St. Peter's Umbrella"
Kálmán Mikszáth
There he stood like a dark shadder, working his nose for maybe half an hour, when he walked all around, finally sitting down on his tail with a pucker between his eyes jes'sif he were thinking.
"Tales from the Veld"
Ernest Glanville
Anne sat silent for a few moments, and between her eyes came a tiny pucker, as if a thought tinged with pain had pricked, thornlike, into her reflections.
"The Tempering"
Charles Neville Buck