A muscial weapon from my fantasy novel. The strings slide along the track the knobs are on, and can be concealed within the shaft of the scythe so it may be used in a more "conventional" manner. Here's a written description of the scythe from the book:

"In his hands he held the instrument they had been hearing. To Oliver, it first looked like a scythe with a very twisted handle, but then he saw the strings. Running along an almost invisible track at the top of the scythe’s blade were several round black pins that were connected to hair-thin strings. The strings stretched from the top of the scythe down into the curved handle. It almost looked like a kind of harp, but its shape was too menacing. The gleam of the cutting edge of the scythe was too sharp to think of the instrument as anything but a weapon.
The blade was polished and bright. It reflected the room back on itself, as well as the strings laid over it. The curving handle was some kind of lacquered plum colored wood with silver designs swirling around its surface. At the top of the scythe, sticking out of the side opposite the blade, was a single metal bird’s wing; fully extended so that each meticulously detailed feather could be seen."