Enter cheerful looking bloke in a suit at least one size too small for him. He runs across the stage towards Dame Catspaw, skids past, does a double-take and bellows - "Hi Mum!"
The Dame glances across and says "Oh Hello Zip Fastener. Have you managed to sell the cow yet?"
She leans over in the general direction of the audience, or at least those in the left-hand side of the stalls, and loudly whispers "He's a bit simple, you know! - Just like his late lamented Dad! I wanted to call him Buttons, but his father (bless his soul) said we didn't want to be old-fashioned - we had to keep up with the times! Anyway, most people round here just call him Zip!"
She turns to the cheerful chap who is looking decidedly bashful. "I set off to the market," he begins, but I was passing the door of a tavern and this man came out. He said his name was Max, and that I ought to get inside out of the rain.
"Where's the cow?" said Dame Spaw.
"I swapped her for these five magic maggots!" replies Zip....