The strap has two mounts, One for the unit and one for the transducer.
If using it you will want it on top and the 1/4 inch 20 screw will thread into the bottom of the unit. Position and lock into place.
The transducer mount will go on the bottom of the float or pontoon. once in position tighten the strap.
Place the male to male pivot connector into the strap mount and install the bolt.
place the other end over the small transducer ear. Add tightening wheel between the ear and the connector. thread bolt through the connector and ears and wheel. Once threaded through position the transducer and tighten with the wheel.