"I can change it as I see fit- the shape, the weight, the temperature. It's a construct of my mind, after all. If you were interested, I'm sure you could do the same," And by speaking the words, Crowley gave Kakia the power (at least for the night) of being able to manipulate the Fallen's chastity cage however she thought to.
"And he will keep playing until we release him. He was an Angel- sexless, for six millenia. His will is far stronger than anyone else I know,"