Placement is essential. DO NOT install or use this product in a place or manner that will allow your pet (size dependent) to become suspended by this product (without a solid support surface under it). DO NOT install in a manner that would allow you pets paws to reach the bed walls or reach ends of flatbed. Follow all safety and transportation regulations when using this product. CAUTION: Pet cable should NEVER BE USED with a standard or chocker collar. Pet cable should ONLY be used with proper vehicle travel full chest pet harness. Lock Pet Safety Cable in Trax: Place second and third fingers under the wings of the Load Lock and place thumb on the top of the pin. Push down on the pin (like a syringe). Place Load Lock in any round opening on the trax. Then slide the Load Lock to the narrow point (between two round openings) and release the wings. BE SURE THE LOAD LOCK SITS FLAT AGAINST THE TRAX AND IS LOCKED IN PLACE PARALLEL TO THE TRAX. Attach the swivel clasp at the opposite end of the Pet Safety Cable to your pet’s chest harness. Move or Remove Pet Safety Cable: Place second and third fingers under the wings of the Load Lock and place thumb on the top of the pin. Pull upward with your fingers on the wings (like a syringe). Slide the Load Lock to the round opening on either side and lift the Load Lock off of the trax. NOTE: Make sure all connecting points on vehicle are secure. WARNING: Inspect product before each use. DO NOT USE: If product is deformed, worn, damaged, rusted or not securely installed. Avoid contact with sharp objects, flame or chemicals that may damage or weaken product, as these conditions may result in severe DAMAGE to persons or property. Product is NOT designed nor to be used as a personal restraint, or towing device. USER assumes full responsible for determining product’s safe condition and suitability for a particular purpose. NOTICE TO PURCHASER: Core Brands is not responsible for damage or injury caused by improper use of products.