Ever seen one.? Imagine a steel handled hatchet, very short handle. 3 cutting edges. the 2 smaller ones are used with the steel handle. The handle has a ferrule with a coarse 1" OD thread. Twist a green stick into this ferrule, use the large cutting edge. End of steel handle is a hammer head. Used with the chisel blade of the SOG Multitool, it can do several useful things (like free up a chained bolt, or remove a hasp from a door.