CONTROL YOUR TERMINAL TACKLE - Add or Remove the WORLD FIRST Klik Sinkers at will with an easy clip on clip off design, never cut your line again when changing weight. The clam shell design even allows you to ADD KLIK SINKERS FROM THE BOAT with your line already deployed. This means you can DYNAMICALLY CONTROL THE DEPTH of your bait while still fishing. Just add more sinkers to quickly explore the water column and FIND THE STRIKE ZONE FAST!