Patent was just granted for this: SELF-TAILORED INSOLE Quote: Disclosed is a self-tailored insole. The self-tailored insole comprises: an inner sole; and a hard member, attached to a lower side of the inner sole, transformable depending on a morphology of a user’s sole, said hard member comprising: a heel portion which has a curved portion configured to allow the inner sole to closely contact with and support left, right and rear sides of a heel of the user, and an arch portion… Patent for self tailored insole
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Patent for self tailored insole