Trying to get away, but failing

Sandry let out a squeal as she dashed for the door of the room, apron flapping behind her and leaving her body uncovered.

She made it through the door and into the corridor, turned in the direction of her locker, through a fire door which separated the two halves of the corridor, and was suddenly jerked to a halt. Her apron had snagged in the doors as they closed behind her, tying her to them. She twisted around in her restraints, tried to open the door again but the strings of the apron were stuck in the hinges and she could not budge it. She also could not undo the apron or take it off, as the straps were caught too tightly.

She was stuck, wriggling in place, buttocks jiggling exposed by her tiny thong, breasts bouncing as she moved on the spot and tried to free herself.