Pro-Wick is a high intensity dispenser made from special synthetic felt that will not alter the smell of your lure. Key-Wick is a special key shape design that lets you dip them into a bottle of liquid scent with no mess, then hang on a branch or twig. Ultimate Scrape Dripper is a patented dripper that is the deadliest method known to keep a scrape fresh and working. Activated solely through the rising temperature, it drips your lure only during the day, and shuts off at night or during rain when temperatures are not rising.