Ya I have used that scrape dripper. It works but trouble was they were coming in after dark to freshen the scrape so I never caught him on it.They say it doesnt drip at night but who knows. You also go through the scent really fast. I wasusing like three or four bottles in a week. Maybe mine is screwed up and dripping to fast but it got expensive.The other thing is I personally have never had luck over a scrape although some of my friends say they have. So whether its worth using .... its up to you. Maybe youll have luck with it. Good Luck.