You can use the Adjustable Width Trailer Hitch Receiver for RVs, 18" to 51" Wide # C13702. To attach to the rear of your toy hauler.
It is not recommended to haul a trailer with another trailer. In some states or provinces it may even be illegal.
I suggest contacting your trailer manufacturer and give them your VIN. They will be able to tell you the towing capacity of your toy hauler. view full answer...