A truss extender is a type of clamp that is used to connect different types and profiles of aluminum truss together. Truss extenders solve complicated and awkward attachment scenarios. One end of the truss extender is connected in the chord of a length of truss. From here, a clamp extends to solve difficult connection problems and different cross sections. An example of this type of scenario would be when connecting a piece of ladder truss to a piece of triangle truss, which is the case for many finish lines, where the ladder truss is added afterwards to frame a banner (as shown below).
The image shown below demonstrates a length of ladder truss attaching onto a length of triangle truss.