Have you seen those guys in pinstripe jerseys with Slabby 10 on the back, some of them with their stomachs hanging out. They bring the energy at large card shows and they have an app. But what does it do?

They're fun guys, but is their app helpful to the hobby? Let's find out on this special episode of Sports Card Strategy.

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In the meantime, we'd love your questions and comments on this one.

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Paul Hickey is the founder of NoOffseason.com, home of the Sports Card Investment Report and The Sports Card Strategy Show. He is also a contributing writer for Sports Card Investor.