"Then I will take the one with the bell!" He smiles and points to that one for the clerk to get out of the case. Since it is Lan Wangji approved then that is the one he will wear. The clerk hands it to Lan Wangji since it appears that he will be the one in control of the one wearing the collar.

"It's cute and it matches. I like it. And now there won't be anything missing any longer."

He looks up at the other man and waits for him to put it on.