When I was working as a clerk at a sporting-goods store, a woman came up to my register with a package of white athletic socks. "Will you open this up so I can see how the socks feel?" she asked.
 
Reluctantly I tore open the package, and she scrutinized the merchandise. She handed me the package, saying, "I'll take them."
 
Relieved, I started to ring her up, until she interrupted me. "Can I have another pack? This one's been opened."

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How would we measure hail without golf balls?