LefreQue 85 mm Band for bell connection
The lefreQue is a sound bridge that will make all wind instruments sound better. It consists of a bridge that is built up by two metal elements that will repair the sound breaches that occur in different parts of a wind instrument. You can put the lefreQue on your instrument using an especially developed elastic band. You do not need to change anything on the instrument itself.
This elastic band connects the lefreQue between the bell and the middle joint. This connection is sometimes difficult to attach depending on the key work of the individual instrument. They are working hard to solve this problem but in the meantime, you can try the 85 mm band.