T-Rex Shafter WahA GIANT LEAP FOR WAH WAH PERFORMANCE The T Rex SHAFTER is our best shot at a genuine new generation wah wah pedal. With loads of adjustability, a much wider frequency sweep, quieter operation, greater durability and 3 completely different wah characters, it addresses all the weaknesses of the classic wah point by point. We think its the best wah wah ever made, and we know youll love how it sounds and performs. A rugged, highly versatile wah wah effect