A circle like the ring on a collar. I wouldn't be against something like that, unless we came up with another idea.

[His hand strays across one of Cy's shoulders, feeling the shape of muscle, the warmth of skin under his palm.]

So, you own me. [A callback to the tail-end of the scene — but maybe he does genuinely want to believe it, tipping his chin up.] Purple is good. It would match the other one.