Abstract: A portable cargo tie-won device includes at least a plate and a tie line is used to secure cargo in the bed of a truck. The plate is placed under the front of the truck bed and back of the truck cab with a tie line such as a cable, rope, or other tie down device extending up between the truck bed and cab, over the bed wall and attached to the cargo. The tie-down device may be of metal or plastic, and may include a magnetic material, or magnets, to magnetically attach it to the under side of the truck.