An analog overdrive pedal. Put this creamy boosted and overdriven box in front of your amp and shape the sound with the tone knob. Use the volume of your instrument to adjust the amount of drive.
TONE adjust the tone knob to brighten or darken your sound (clockwise rotation to increase go brighter and counterclockwise to go darker)
LEVEL post-gain knob for adjusting how loud your output volume is going to be (clockwise rotation to increase the volume)