Wheels are a bad idea, depending on where the strap goes through the wheel. If a wheel moves, you have a loose strap, and a loose car.
Hookups with straps, do not use straps with metal hooks, they will bend, they are not designed for the weight of a car, let alone one bouncing on a car trailer.
Use hooks and straps designed to go into the torque box’s on the frame, depending on the trailer, if it has rub rails, you can use a wheel strap that goes around the top of the tire, comes out on each side and hooks to the rub rail.
In my case, I have aircraft track welded to my deck and use Mac’s wheel nets on each wheel, but without seeing the trailer, it’s tough to tell you what type strap to use.
Then you have to figure tongue weight, electric brakes, etc.
Copied off Mac's website........
Tie-Down Tricks
Inspection and Maintenance Tips
Inspection: Always inspect straps prior to each use. Webbing that is cut, frayed or abraded should be replaced immediately. Mac's offers rewebbing services for used assemblies as well. Just give us a call or email for info.
Never use any oils, solvents, acids, etc. on the webbing itself. When necessary only lube the mechanical workings of a ratchet or cam buckle with a lightweight lube such as WD-40.
Exposure to Sunlight: Even though Mac's uses only top quality webbing with UV protection to make assemblies, sunlight is still a killer. When not in use, don't leave your straps laying around on the deck of your trailer in the sunlight. Ideally, store them in a cool dry location. This will greatly prolong the life of your straps.
Routing: Be careful of how your straps are routed. Avoid sharp edges or abrasive surfaces whenever possible. If this cannot be done, make sure you add some protection between the webbing and the surface in question. Keep in mind that Mac's offers straps with sleeve protector already in place.
Cleaning your Straps: Warm, soapy water and a good scrub brush is the best method. Once the cleaning is complete, hang the straps up to air dry. Avoid cleansers with bleach or acid as these will weaken the webbing.
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