Garmin Accessory Mounting Bracket Panoptix PS21 Fwd Barrel Mount. These Boating & Marine from the experts at Garmin allow your transducer to face the direction of travel keeping it perfectly still. The forward-facing side of the Garmin Panoptix PS21 Barrel Mounting Bracket provides excellent see-through capabilities detecting structures and obstacles below your boat. The most difficult part of the installation will be guiding the wires from the Panoptix PS21 to the Panoptix PS21 which can be time-consuming and difficult. That's why the Garmin Panoptix PS21 Barrel Mounting Bracket w/ Forward Wiring is the one you want. Package Contents: Garmin Mounting Bracket Panoptix PS21 Fwd Barrel Mount Garmin 010-12407-02: Accessory Mounting Bracket Panoptix PS21 Fwd Barrel Mount