Back from the DEAD! After a ton of customer requests, Phelps have resurrected the " Original Recipe" of these popular calls that once defined the " brotherhood of calling elk" . FeaturesElk Season - Built from ultra thin latex that's stretched tight. This latex is great for high pitched bugles, young cow, and calf vocalizations. The ultra thin latex requires " low air pressure" for soft to medium calling.Played Out - Built from thin latex with a medium stretch. This latex makes sweet seductive young and mature cow vocalizations, and low to medium pitched bugles. The thin latex requires " medium air pressure" , and is best suited for soft to medium calling.Commitment - Built from medium thickness latex with a medium stretch. This latex is great for all bugles and cow calls - young, mature and calf. The medium latex and stretch requires " medium air pressure" for soft, medium, or loud calling scenarios.