- Origine : Mussels farming activities.
- Description : Clamps of various colors.
These clamps are used in mussels farms. They are accidentally lost at the beach edge on artificial mussel farming areas.
- Origine : Shellfish farming
- Description : Toothed clips in a range of colours
These clips are used in farms where mussels are grown on posts. They can be accidentally lost offshore in areas near mussel farms.