Here is an ordinary luggage tag.

An ordinary luggage tag?

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Open it and we can write in our address.

Gasp! A secret sewing kit!

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Open it even more and voila! A secret, spy sewing kit!

I have visions of crashing down into a hotel room below mine — in a really fancy hotel — onto a king sized bed (to break my fall, of course) and introducing myself: “Bond — Jane Bond. Here, let me secure that button for you. It’s just about to come off.”