This is connecting cord between a fishing grip and owner's body. The curling cord is made by a special strong material, Kevlar fiber. So even if we drop the fishing grip with catching a big fish in the sea, we can pull out it from the water through this cord.
This product is made for STUDIO Ocean Mark fishing grips. But can attach anything if that has a ring. For example, a fishing grip of another makers, pliers, a fishing net and so on.
And the curling cord always stay inside the plastic case, so the code never disturb our fishing.
Of course you can use just a rope instead, but if you want to a reliable code for important fishing gears, this must be the best in the world.
Attaching way is very easy like pictures below.
