There was a thread similar to this a month or two ago, but this short video captures the end result better than words. I think most of us already do this, but it's a useful link for newbies. Saw it on Midcurrent, they link to it on the Field and Stream site. It's only 50 seconds long, btw.
http://www.midcurrent.com/news/2009/04/ ... oad-t.html