"Very well," Kingsley said and raised his wand, and Ron slipped his right hand down Cho's arm to hold her left hand awkwardly in his, gazing into her eyes as Kingsley spoke the words that cast the marriage bonds. A twisting, twining ribbon of magic shimmered into existence around Ron and Cho's linked hands. Like an Unbreakable Vow, only it was not technically unbreakable.