The Realist Bass Pickup is a piezo-electric film transducer that mounts under the bass foot of the bridge. This is the "Copper Top" pickup from David Gage and Ned Steinberger. It has slim flexible piezo copper gasket that fits under the bass bridge foot. It designed to pick up the woodiest, “body” sound of your bass, with minimal hand and string noise. It is the easiest of all pickups to install yourself. Also a best seller at Lemur Music with more than 3,700 sold.