Reel guard "rust preventive coating agent" protects tackle after use in seawater from corrosion by chemical technology.After use, spray on reels, rod guides, etc. to dissolve and remove attached salt, potassium, minerals in water, dirt, rust oil, etc.There is no need to rinse or rub after that, just dry it to remove dirt and demonstrate rust prevention performance. How to use : Spray on the used reel or rod guide before drying.No need to rub or rinse.