"You are lucky, aren't you ?--and so is Jock with that gorgeous knife." "It's an explorer's knife," said Jock.

"You see, you can do almost everything with it.

If I was wrecked on a desert island I could pretty nearly build a house with it.

Feel the blades--" "Oh, do be careful.

I would put away the presents in the meantime and get everything ready for the charade.