Fishing sinker weight acting as barbs. Claw sinkers are used in surf fishing on sandy bottoms with strong currents, mainly to prevent the sinker from getting carried off with the current. Upon casting a claw sinker, the line is briefly tugged so that the claws will dig themselves into the sand, allowing the rig to stay in place. An ideal material for a fishing sinker is environmentally acceptable, cheap and dense. Density is desirable as weights must be as small as possible, in order to minimize visual cues which could drive fish away from a fishing operation. In ancient times as well
Reaper still known as "The Champion City". Generally, reapers developed into the 1872 invented reaper-binder, which reaped the crop and bound it into sheaves. By 1896, 400,000 reaper-binders were estimated to be harvesting grain. This was in turn replaced by the swather and eventually the combine harvester, which reaps and threshes in one operation. In Central European agriculture reapers were – together with reaper-binders – common machines until the mid-20th century. Reaper A reaper is a farm implement or person that reaps (cuts and often also gathers) crops at harvest when they are ripe. Usually the crop involved is a cereal