Walkfit Platinum inserts are uncomfortable and did not work but, the scam they run is as follows: 1- Without your knowledge or authorization Walkfit Platinum will add and charge your credit card for additional items they call " Trial, " items + an additional shipping fee. 2- If you return all items as I did, they do not refund original shipping fee of 9.95 nor, do they refund the additional shipping fee for the trial items. read full review »