Pro-tip from Perfect Magic

From Perfect Magic's February 14 blog post titled "What Every Magician Should Know":

The other day I got a call from an old customer, a good magician I’m told by those who have seen him perform, and he wanted a certain electronic device. We had it in stock. He took a long drive to get to our shop as he wanted it right away and he’s from out of town.

I got a call from him today asking if we had another one in stock. I said yes. He asked if we would try it out to see if it worked. We did and it did. He said his didn’t.

“Strange,” I said. “Did you put a battery in?”

“Of course,” he replied.

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