Kogha Waterball Patent These waterballs can easily be attached to the string due to the patent mechanism, without having to rebind the assembly. Ideal for spontaneous use as pilot float. For snapping in the line. Safety instructions: Fishing equipment may only be used for fishing. Not a children\’s toy! Use with caution, do not swallow (risk of suffocation). Possibly small parts, sharp edges or sharp hooks: risk of injury. Keep away from children or ensure appropriate supervision and keep out of the reach of children.