IN THIS PHOTOSET is AVRIL TIED WITH LEATHER STRAPS AND is GAGGED WITH HER OWN USED HIGH HEEL.
From Chapter 9.
"...Avril was surprised by the amount of shoes that surrounded her. She was not a big fan of high heel shoes so the situation was becoming tense... Pure Avril could not even imagine that this scenario was written with a one purpose - to check her new yellow turtleneck sweater..."