Artists of all kinds have found Philadelphia a famously supportive and enthusiastic creative environment, with audiences hungry for the weirdest and wildest. Guitar pedal makers are no exception, and the Philadelphia area is home to one of the hottest burgeoning pedal-building communities. This weekend, the Philly Pedal Party, hosted at rock club Johnny Brenda’s, brought out a crew of pedal-makers showing off everything from the fiercest fuzzes to the deepest reaches of knob-twirling modulation.