Bugle Tube Holder V2 (Adjustable) is the easy way to carry your Bugle Tube Holder. The V2 has an adjustable tension system and you can install your Bugle Tube from the top or the bottom of the Holder. We have two locking clips that will attach to your Backpack hip belt or Molle system on your backpack. Here are the Models the V2 Bugle Tube Holder will not fit: Born & Raised (The Bomb) Phelps Small tube ( un-Rival-ed) Rocky Mountain (Little Big Mouth) Installation instructions for backpack On the bottom of the attachment clip push up the spring loaded release button on both sides to unlock. Once both sides are open slide clips over the backpack Hip belt webbing. Then press each clip closed until you hear it lock. The shock cord has a toggle to adjust tension on your bugle tube. You can run your bugle tube in from the top or bottom of the Bugle Tube Holder. Specifications: Height: 2 7/8 inch Width: 3 3/4 inch Depth: 4 inch Weight: 3.6 ounce Material: Kydex. *Backpack, Bugle Tube not included.t