How do I secure camper with Treg Hitch??

Any brilliant ideas out there as to how I could go about securing the camper when its at home and all by itself. Its fitted with a TREG hitch.

I can't get it out of the public view and would like to know if there is anything better than chaining it to the pole and hoping any potential thief does not have his bolt cutters with him.

I'm guessing people will have come up with cheap homemade ideas or there is a commercial venture that deals with it.

Looking forward to hearing the wealth of ideas. Or even just one good one.

Same question placed in two forums so no matter which one you answer [and I'm sure a number of us visit both places] I'll get the reply.

Thank you.

Dave