Fishing sinker fish being pursued, the environment, the current and personal preference. Pyramid sinkers are shaped like a pyramid and are used when it is desirable to anchor on the bottom of water bodies. They are attached to the terminal end of fishing line by loops of brass. Barrel or egg sinkers are rounded and often bead-like with a narrow hole through which fishing line is threaded. These sinkers are desirable on rock or debris covered substrates. Split-shot sinkers are small and round with a split cutting halfway through the sinker. The split can be placed on a piece of fishing line
Reaper did not experience mainstream success and acceptance until at least 20 years after it was patented by Cyrus McCormick. This was because the McCormick reaper lacked a quality unique to Obed Hussey's reaper. Hussey's reaper used a sawlike cutter bar that cut stalks far more effectively than McCormick's. Only once Cyrus McCormick was able to acquire the rights to Hussey's cutter-bar mechanism (around 1850) did a truly revolutionary machine emerge. Other factors in the gradual uptake of mechanized reaping included natural cultural conservatism among farmers (proven tradition versus new and unknown machinery); the poor state of many new farm fields,