Stop that running shoe heel from sliding and avoid those nasty blisters too An old runners trick can help anyone fit a shoe they like and prevent the annoying sliding heel. Manufacturers make shoes for the masses, and not necessarily for you. This helpful lacing trick called lock lacing will tighten your heel counter (the back of the shoe) so it fits snug and comfortable. This can make the ritual of purchasing a new running shoe easier for you. This video will show you how. Check it out here… Let me know what you think. Your feedback is appreciated.