Muffed Up Drums Vol. 1 is adrum kit containing 682 different drum sounds ran through the EHX Big Muff Deluxe where the tone, sustain and Q boost has been toggled. The filtered folder are the samples with the mids sweeped during the sound.
The sounds include muffled kicks, snares, open and closed hi hats, crashes and rides. Be careful with some of the cymbals as the fuzz can make them very tinny and sharp.