Escape Links
Escape clips are the rough ground link with built in overload adjustable limit. A safe casting lead release system. No weak nylon link required, although some anglers set the clip into a light release and rely on a nylon weak link.
Image 3 shows the washer down in the casting position
Image 4 On impact with the water, shows the washer up in the correct position, ready to release the Lead if snagged.