 Um, I used, um, uh, the little things you light and you put down the holes there. I used a hose off the muffler of the mower and put, you know, and man, that worked great. And sometimes they work and sometimes they don't. I mean, the only way to surefire way, um, in fact, we had it in my son's house is we had to trap him. Um, and he lives near, uh, uh, woods and a river.