Boatswains Whistle - Stealth Ops Gear BACKPACK Bottle Opener / Can Opener

Bottle Opener / Can Opener

Made to be lightweight with high density

Centre Scale Marked In Degrees

Store Small Supplies In The Zippered Forearm Pocket Located On The Right Sleeve

Boatswains Whistle - Stealth Ops Gear BACKPACK Bottle Opener / Can OpenerA boatswain's call, pipe or bosun's whistle is a pipe or a non diaphragm type whistle used on naval ships by a boatswain. It is pronounced, and sometimes spelled, "bosun's call". Historically the boatswain's call was used to pass commands to the crew when the voice could not be heard over the sounds of the sea. Because of its high pitch, it could be heard over the activities of the crew and bad weather. It is now used in traditional bugle calls such