Acme Dog Whistles
Stainless steel. Produces a varying and easily controlled range of pitches.
Ultra high pitch with cork ball. Produces the familiar 'trilling' roll of the pea whistle.
Ultra high pitch without cork ball. Produces a solid tone with a single extremely high frequency.
Solid tone and single frequency.
Acme Dog Training Clicker. Solid brass ACME Clicker with high quality spring steel. Loud and reliable. Used by airborne troops on D-day landings and still made with the original tooling and presses.