Wash with dish detergent before first usage.Do not touch the blade.Use on a flat surface.Do not use a scrub brush or polishing powder with this product.Do not use on frozen foods or other hard items.Do not use in freezer.Do not wash with dishwashers or dish dryers.Do not use in microwave.Do not leave the product with salt attached.Do not wrap product around fingers or neck.Do not pull or swing forcefully.Immediately discontinue use if the product becomes deformed or damaged.Keep away from fire and other sources of heat.Do not use this product for purposes other than its intended purposes.Terpene contained in citrus fruit peel and oils can cause deterioration.