"I have just the thing," says the barber taking a small wooden ball from a nearby drawer. "Just place this between your cheek and gum."
The client places the ball in his mouth and the barber proceeds with the closest shave the man has ever experienced.
After a few strokes, the client asks in garbled speech, "Yesh but what if I shwallow it?"
"No problem," says the barber.
Spoiler: