We here at Elk101.com, wanted to create a kit that will give you a lightweight option that you can keep in your pack no matter where your destination takes you, the result is the Elk101 Minimalist Backcountry Call Kit. The Minimalist Backcountry Tube Kit comes with a Pack "A" Bull Tube and a Mouth Piece Extender and is perfect for those who have a bunch of calls and are looking at replacing their Extreme or Bugle tube with something lightweight and extremely pack "a" bull. The extender easily attaches to the front end and with the accordion style tube, you can easily create the call and the volume that you need while easily being able to direct it into the direction that you see fit. If your looking to shave weight and to keep some extra room in your pack, pick up a Minimalist Backcountry Tube Kit today!Includes: (1) - Pack "A" Bull Call System; (1) - Mouth Piece Extender