The bathroom will do.

It's not clean, but it's a lot safer then dragging the little thrasher everywhere. Dragging him to the handicap stall, you **** him to the toilet bowl, putting him on his knees and down to his chest in front of it. He thrashes and squirms, the fight still in him, but you smash his head against the toilet bowl. As he's dazed, you put his arms around the base and tie his hands together. Now he's trapped on the floor, and your position behind him keeps him from being able to lie completely down. His ass hangs in the air in front of you.