Use two pipes, a length of 3/4" galvanized and a shorter length of 1" galvanized. A 12 gauge shotgun shell will fit in the inner diameter of regular 3/4" pipe. Endcap on the 1" pipe with a centered hole and a sharpened screw through it. One handle hose clamped to each length of pipe at right angles.
Stick the shell in the end of the 3/4", slide it into the 1", bring both halves together smartly and off it goes bang. Hopefully while your personage remains intact.
Use two pipes, a length of 3/4" galvanized and a shorter length of 1" galvanized. A 12 gauge shotgun shell will fit in the inner diameter of regular 3/4" pipe. Endcap on the 1" pipe with a centered hole and a sharpened screw through it. One handle hose clamped to each length of pipe at right angles.
Stick the shell in the end of the 3/4", slide it into the 1", bring both halves together smartly and off it goes bang. Hopefully while your personage remains intact.