The mounting of your XS or XSX loops to your Curve ski platforms will require a pair of loop hardware. Curve offers two options either stainless steel or zinc-coated, both are very durable and equally strong although the stainless will be less prone to corrosion.
Zinc-coated includes: 2 cross loop bolts, 4 nyloc nuts, 2 loop tip bolts, 6 washers
Stainless steel includes: 2 cross loop bolts, 2 nyloc nuts, 2 flange bolts, 2 button head screws, 6 washers