When he woke up, his chest hurt. As usual, she had immobilised him with handcuffs and ropes. But something was new.
"Have a look." She helped him lift his head. A zipper was sewn into the flesh of his breast. She grinned.
"When I open it, I can see your heart beating." The ball gag prevented him from asking, but she knew him well enough. "Why? Controlling your body isn’t all. I want access to your heart. See it, touch it, and eventually squeeze it till it stops."
Even the gag could not hide the big smile on his face.