Mueller USA Lube Anti-Chafe Chafing Skin Blister Runners StickProduct Description Ideal for ball of foot, heel or groin area Apply to skin prior to activity Helps keep skin smooth Lube stick for runners provides a barrier between the skin and equipment, pads, shoes, etc. 2. 25 oz stick. Product Description Ideal for ball of foot, heel or groin area Apply to skin prior to activity Helps keep skin smooth Lube stick for runners provides a barrier between the skin and equipment, pads, shoes, etc. 2. 25 oz stick.