Our COG weights must be used precisely so that when fish move them, they feel the weight as quickly as possible. For this reason, they are called "Centre Of Gravity" weights. To ensure maximum effectiveness, they must be used in combination with the Centre Of Gravity System booms. Additionally, these weights should be combined with a Lead Clip, the boom (consisting of leadcore with weights), and a swivel placed at the end that attaches to the main line and is inserted into the lower part of the Lead Clip. At the other end of the boom, there must be a special swivel without a lower eyelet to allow the cylinder to fit perfectly into the eyelet located at the center of the COG weight. Finally, a Kwik Link is attached to the eyelet so that everything can be easily fixed to the terminal. Thus, when the fish bites, the Lead Clip operates as usual, ensuring a very secure setup. The Centre Of Gravity Systems are available in different lengths to perfectly fit the size and shape of the COG weights: simply choose the correct option as indicated on the packaging to achieve a clean, effective, and tangle-free rig. Each system contains: 3 booms, 3 Lead Clips, 3 Tail Rubbers, 3 Kwik Links.