The E4640 Helin Flute Cleaning Micro Cloth with a counterweight sewn inside a material chord. Firstly you drop the chord with the counterweight down the inside of the flute. Secondly pull on the chord and pull the remainder of the Micro Cloth all the way through. Thus enabling to clean the moisture away from the inside of the flute that has built up while playing.
What we say about the E4640:
The Helin flute pull through is one of our most popular maintenance products. When you have finished playing your flute, it is always hugely important you get rid of us much moisture from the inside. In doing this, before putting your instrument away, you protect the longevity of the pads.