Automatic roll boxes?

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Have you ever heard of these? I just heard about them and thinking about buying one. I found a site with some on it but I was hopping to find one cheaper or one that is cool looking so I was hopping maybe someone can recommend a good site to me. To see what these roll boxes are this is the site that I went to. http://www.ryotobacco.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=rollbox