Devastated the ass-ring

I was traveling. Alone in my hotel room, with a large 1 liter water bottle filled with warm/hot water. The idea was to stretch the assring muscle to its maximum limit, and then hold it there for 45 minutes to an 1 hour, to wreck the assring muscle even more. I sunk it home, it stretched the assring tight like a drum, I layed on the bed, rubberbanded off the nuts and waited, after 50 minutes, the bottle slid out, and the ring remained extremely dilated for a long time, before shrinking down. I repeated this, every night in the hotel for 3 days, devastating the assring.