UniTree

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<object width='500' height='333'><param name='allowFullScreen' value='true' /><param name='allowScriptAccess' value='always' /><param name='movie' value='http://www.pinkbike.com/v/163590/l/' /><embed src='http://www.pinkbike.com/v/163590/l/' type='application/x-shockwave-flash' width='500' height='333' allowFullScreen='true' allowScriptAccess='always'></embed></object><p><a href="http://www.pinkbike.com/video/163590/">UniTree</a> on <a href="http://www.pinkbike.com">pinkbike.com</a></p>

What happens when a unicyclist and a boy on a bike with training wheels encounter a tree on their ride?