Okay now this kid was probably going to break the sewing machine, prompting Kanji's "don't break things" reflexes to kick in.

"Whoa, whoa! Don't touch that!" he called, rushing over to protect the machine from being further damaged.

"It's a technique you gotta master..." And then before he knew it, he found himself explaining how to sew with a machine, demonstrating on a spare piece of cloth.