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Fishing sinker
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<p>A fishing sinker, plummet, or knoch is a <a href="/facts/Weight/9NMHCsQd">weight</a> used in conjunction with a <a href="/facts/Fishing_lure/tPrfVD7U">fishing lure</a> or <a href="/facts/Fishing_hook/jfMUlR6f">hook</a> to increase its rate of sink, anchoring ability, and/or casting distance. Fishing sinkers may be as small as 1 gram (0.035 oz) for applications in shallow water, and even smaller for <a href="/facts/Fly_fishing/dCKhBjoE">fly fishing</a> applications, or as large as several pounds (>1 kg) or considerably more for deep sea fishing. They are formed into many different shapes for diverse fishing applications. Environmental concerns surround the usage of <a href="/facts/Lead/EYljasJN">lead</a> and other materials in fishing sinkers. </p>