The acrylic Mini Mack is a unique call offered in some unique colors. It is a push-in guts double reed, also known as a Cajun-style duck call. The Quick-Tune guts are easy to take out, clean, and re-tune - even in the middle of a hunt. Designed with a small frame design and low profile. The Mini Mack also has double O-rings on the insert to keep in securely in place and prevent loss of air pressure.