Vanda likes to be hard hogtied and ballgagged

Vanda lies hogtied on the bench (elbows, wrists, ankles, under and below knees). I come over to her and gag her mouth with a ball gag that wouldn't be taken out until the end of the clip. The ball gag is locked very tight. She is wearing an office style – a blouse and skirt, already barefoot. I tie her hair to her bound elbows. Then I tie her toes together and add another string from her tied toes to her elbows.
In the process, I gradually weak the ropes when I see that she is no longer able to endure anymore. But this doesn't mean that it became much simpler for her. Vanda is like an angel, and I feel like a demon when I stay beside her and watch her sweet struggling.
She enjoyed this hogtie endurance challenge and wants to repeat.