Made by Korg. This is a handy palm-sized tuner - a great inexpensive aid for pipe bands to tune drones, this little gadget will ensure that a band has a consistent and steady drone sound.
Helps keep the bag full by eliminating air leaks through your mouthpiece. The Little Mac valve has been tried and tested over the years and is a very succesful valve.
McCallum Drone Valves are designed to assist pipers in achieving consistent and steady strike-ins and cut-offs. Suitable for most bag set ups with access to the inside of the bag.