Acme 576 Shepherds Working Dog Whistle

p the nbsp strong acme reg 576 plastic shepherds mouth whistle used for years by professional dog trainers span style text decoration underline features ul li bite resistant built with a loop to attach lanyard instructions 1 place in curved open edge facing outwards resting on your tongue br 2 hold such way as create gap underneath back of will sit 3 blow and varying you different sounds 4 an even wider range move up down reducing widening n b if against lower hole silence it doesn t matter which is placed this does require few practice blows before get sound but once one achieved plain sailing or whistling