"Well, okay. But if I cut myself, I'm blaming you for buying Kryptonite knives. Because that's unlikely." Jon looked at the sushi knife and sharpened it between two fingers. This mostly consisted of squeezing the edge of the blade until it was compressed enough to threaten the fabric of space time. Then he used it to cut fish.
"How big am I supposed to do this?" he asked. "I've only ever seen them do it at restaurants before. And while it's very impressive watching them go 'wha! wha tah! sushi flip to mouth!' I don't actually know how."