A custom fittable collar for an animal, useful to prevent the animal from contacting injured areas on the body, thus promoting healing of wounds. Bearing structures rotatably support corresponding ones of each of the pair of gear shafts with the bearing structures having bearing surfaces adjacent those gear sides. The first interconnecting layer is formed on a slider body of the head and includes a first or lower bond pad connectable to one or more electrical elements on the slider body through the first interconnecting layer. The method then includes determining that the audio stream portion is monophonic if a greatest common devisor frequency exists between a threshold frequency and the lowest detected frequency peak, wherein each detected peak is an integer multiple of the greatest common devisor frequency.