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<p>[QUOTE=&quot;Kentucky, post: 2890230, member: 33176&quot;]I mostly agree with you, but the explanation is that the inner drum is the perforated one that rotates and is contained within an outer drum which is stationary.&nbsp; A coin caught between these two drums could &quot;roll&quot; and get the outer rim flattened out since the inner and outer drums have a gradiation in the distance...you know, that doesn&#039;t make sense even to me...[/QUOTE]</p><p><br /></p>

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