floating gt20 transducer mount

This is a floating transducer mount I made for situations when i rent a boat for fishing and dont want to attach the transducer to the boat. The system consists of a float (an empty bottle will do and any bottle-to-gopro connector you find here), a flexible connector and a mount for the gt20 transducer. The setup works fine on a belly or anchored boat but it is insufficient when the boat is moving.