  We discuss the gauging of non-linearly realized symmetries as a method to
systematically construct spontaneously broken gauge theories. We focus in
particular on galileon fields and, using a coset construction, we show how to
recover massive gravity by gauging the galileon symmetry. We then extend our
procedure to the special galileon, and obtain a theory that couples a massive
spin-2 field with a traceless symmetric field, and is free of pathologies at
quadratic order around flat space.
