The man says "No problem, come back in two weeks."
After two weeks the rabbi returns to the shop, and is presented with a wallet. In total dismay, he says to the craftsman "After sixty years, the best you can do is a wallet!?!"
The man replies "Don't worry, just rub it a few times and it will grow into a suitcase."
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I do weight-lifting every morning - Getting out of bed!