This is one of Acme s classic whistles the Acme 210 is recognised through out the gundog world as the field trialiers whistle , the compact design and constant pitch make it an easy whistle for both dog and handler. The whistle has a ring fitted for attaching to a lanyard (not included) . Please note all our Acme whistles are genuine and come directly to us from the factory in Birmingham UK. There are many copies on the market which will give an unreliable pitch.