The Shaker is working properly. Through the rubber sheath has him firmly in control and the shutter is tight and does not accidentally on. On the side of the mixer, is a practical measuring scale with which one easily finds the correct mixing ratio and can maintain. Through the wire ball also no lumps form during mixing. Who shakes right after drinking a cocktail shaker with cold water again, should have no difficulty in its purification.
A must for everyone who now and then a shake treat yourself.