Blisters and pistoning heels… by Jenneffer | Jun 14, 2015 | blister, jogging, laces, running, shoes | 0 comments Blisters and pistoning heels… Here is a quick and simple video on how to secure your heel in your running shoes with the “lace-lock” technique. https://www.youtube.com/watch?v=IijQyX_YCKA Happy running. Dr. Jenneffer Pulapaka, DPM, AACFAS Podiatric Surgeon 386-738-3733 (O)