Amazon has the 4-Count Dr. Scholl's Extra Thick Callus Removers for $4.49 - 25% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $3.15 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders). Helps soften hard calluses and cushions for all-day pain relief.