Walrus Audio is an american builder of pedals. They propose a wide range of products. Here's a video review of the Iron Horse distorsion pedal. Get ready for some big and fat saturated tones with this gain machine!
www.walrusaudio.com
Walrus Audio Iron Horse distorsion pedal review
Review setup
Guitar used : Spartan Springer with a single P90 pickup (Haussel)
Sound : the base clean sound used throughout the review is provided by an Apollo Twin Universal Audio interface in which the guitar is plugged directly.