Mares Magnetic Shaker Scuba Rattle, simply shake it only when you want to attract attention!  With the addition of an internal magnet helps blocks the metal ball from making a continuous noise - which can be irritating when under water.  So when you want to attract attention that's when you shake it.

This innovative magnetic system used in the Mares Scuba Rattle eliminates unnecessary noise. Shaker Rattle is robust but still lightweight and easy to store.  And of course the shaker rattle couldn't be easier to use with a simple downward movement .

Attract attention when you need it and don't scare off the fishes or be the one no-one wants to buddy with !!