"Fulla-full-full-hollo-full-to-ho. And here's a black handkerchief that's now white. And here's a white handkerchief that's now black. Thank-you. I'll do it again. But I'll do it a different way this time. I'll do it .........."
Turns tin slightly
"Watch the spots."
All the spots vanish
Pulls out the handkerchiefs
"Now here's the black handkerchief with white spots. And here's the white handkerchief with black spots. Howzat!!"