Upland Shoot Needlepoint Flask by Smathers & BransonDetails Holds Roughly 6 Ounces of Liquid Susceptible to Metal Detectors and Annoying Doormen Rust proof Full grain Leather Trim Fits Perfectly in Your Jacket Pocket Benefits We can't in good conscience advise you to use this flask whilst operating a shotgun, but you do you, man. It's not often that a drinking accessory can rise to the level of a work of art, but this Upland Shoot Flask does the trick.