BikeFit Wedge 1° Look/Shimano 40-pack (only available for registered dealers/bike fitters) - GPM Sports
SPD Cleat Wedges
Universal 3-Hole Cleat Wedges for Shimano, Look & Time Pedals
Kevin A. Kirby, DPM - Use of Varus Cleat Wedges to Treat Excessive Foot Pronation During the Power Phase of Cycling During the power phase of cycling, the cyclist's forefoot presses firmly