Worried about securing your caravan
There are a number of options.
Tow Hitch Locks
These are often effective at stopping the caravan from being removed from the car. However it is still possible to move the caravan by hand.
These are effective at preventing anyone from moving your caravan. However the wheel clamp if forced can be removed from the wheel.
Lockable Post or Bollard
These have to be fixed securely to the ground so are really only good for use in a situation where the vehicle will be secured for a significant length of time.
This enables you to track and find your caravan. Please see https://www.infinititracking.co.uk/4-tips-to-maximise-your-motorhomes-security/ for more information and tips.