He alludes to it himself here: <a href="http:&#x2F;&#x2F;qr.ae&#x2F;ROsdtD" rel="nofollow">http:&#x2F;&#x2F;qr.ae&#x2F;ROsdtD</a><p>And there are a bunch of technical explanations around, here&#x27;s one: <a href="http:&#x2F;&#x2F;investmentxyz.blogspot.com&#x2F;2006&#x2F;05&#x2F;cubans-collar-anatomy-of-famous-trade.html?m=1" rel="nofollow">http:&#x2F;&#x2F;investmentxyz.blogspot.com&#x2F;2006&#x2F;05&#x2F;cubans-collar-anat...</a><p>I remember seeing Cuban himself explain it in detail, that&#x27;s probably out in the Google somewhere.