Cover your M-Lok and KeyMod rails in style with these WOOX M-Lok & KeyMod Rail Covers that are now available to order... "WOOX Rail Covers are a great addition to your M-LOK™ or KeyMod™ rails. WOOX Rail Covers are a great way to add superior grip, torque strength and heat protection while at the same time creating a unique look that both performs and stands out.