Lateral Rearfoot Skive

Description 
An intrinsic grind at 15 degrees into the lateral aspect of the positive cast to a depth of 2mm, 4mm or 6mm.
Uses
To intrinsically correct for excessive over supination.
Contraindication
Dress or narrow fitting shoes.
Notes
Must be used in conjuction with an extrinsic rearfoot post and a deep heel cup.