Stinky Stuff is a complex compound, fishing bait additive made in the UK. It is designed to stimulate all species of coarse fish to feed. It can be safely sprayed onto all hook baits, feeder baits and onto any terminal tackle. The formulation has an adhesion property that sticks to the surface it is sprayed onto, give you confidence it will stay on your bait and slowly release it's attractant when in the water. Stinky stuff is PVA friendly.