The Secret Weapon Berley Dispenser gets berley into exactly the right spot, as its streamlined design beats the current and gets the berley down to where it's going to do the most good – whether that be mid-water or right on the bottom.
Additional lead can be added internally if needed, or tie on a snapper sinker for additional weight when fishing in deep water or an extra strong current.
Rig it on a rod or a handline. Berley at any depth - near the surface, mid water, on the bottom.
The Secret Weapon only releases the berley when you want it to.