Whistle And Clicker: The Coachi Whizzclick Is A Patented Training Aid That Combines Two Of The Most Popular Dog Training Tools; A Clicker And A Whistle, Making It An Essential Training Product.Recall Training: Whistles Are Great For Recall Training As They Help To Standardise Commands And Are Great For All The Family To Use. Perfect For All Puppies And Dogs 8 + Weeks.Distance Control: Using A Whistle Allows You To Have Control Over A Greater Distance And Enables Use To Use Distance Commands, Such As 'Sit'.Clicker Training: The Coachi Whizzclick, Has A Very Clear Sound, That Is Easy And Comfortable To Press And Useadjustable Lanyard: Is Suitable For Either Neck Or Wrist Use, It Is Fully Adjustable So You Can Secure At The Desired Length And It Is Reflective Too!