Hi there. Chris Peake from the Zappos performance team. Today I'm going to show how to prevent slippage in the back of your heel in a running shoe. Now, here at Zappos, most of our running returns are actually on shoes where people's heels are slipping and a lot of it can be helped from doing one of two simple things. One is already built into the shoe, and if that doesn't work then there's another technique in lacing that you can use to actually pull up the material in the back of the s
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