Salmo Riser With the Salmo riser, active and passive bottom rigs can be offered. Thanks to the materials used, this bottom tracer does not sink into the mud and offers hardly any additional resistance in the event of a bite. 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.