There are several different trailer tie down system and straps that you can purchase, but the best trailer tie downs are the ones that offer a stronghold to the trailer yet still allow the weight of the trailer to be supported as well. Several different tie downs are available, including the basic strap and tie down. Some systems use a double rope or other materials that may work better. The best type of tie-downs for trailers are the ones that provide a stronghold yet still allow the weight of the trailer to be supported as well.
There are various tie-downs that are available, including traditional wire rope, cable tie-downs, and the more modern hydraulic tie-downs. Most systems will consist of a single rope, but some may also use two ropes with a reinforcing material between the two ropes like a Kevlar coated rope. This reinforcing material will ensure that the tie-downs can withstand a lot of force and tension, making the tie-down last much longer.