Abstract: An extension coupling for interconnecting a trailer to a tow hitch carried on a tow vehicle includes an elongated arm having a first end and a second end. The first end is pivotally connected to the trailer. A king pin is connected to the second end. The king pin includes a projecting stop that engages the tow hitch to strictly limit pivoting movement of the elongated arm relative to the tow hitch. In one possible embodiment, the elongated arm is a pin box assembly.

Abstract: An extension coupling for interconnecting a trailer to a tow hitch carried on a tow vehicle includes a pin box assembly having a first end and a second end. The first end is pivotally connected to the trailer. A king pin is connected to the second end. The pin box assembly includes a locking wedge that engages the tow hitch to strictly limit pivoting movement of the pin box assembly relative to the tow hitch.

Abstract: An apparatus is provided for holding a trash bag. The apparatus includes a base having a bottom wall, a first sidewall and a second sidewall. A bail is connected to the first and second sidewalls. A clip secures the trash bag to the bail.