The Big Bore blowgun is a long black tube about 5-feet long that looks like a walking stick. Darts go inside the tube and the shooter blows in the tube to propel the darts.

Tim Wells Slock Master Blowgun, 5 Ft Long .625 Big Bore Caliber, Includes Pistol Grip and Quiver, 10 Razor Darts and 10 Blow Darts Included, Bronze Color ...