I saw a post on putting down coconut oil for them to eat as if it was dried food. Just leave it there for them to nibble on as they like. It might not work in the heat as I'm not sure they would be interested in lapping it up when it melted. If you have some in your home, it's worth a try.
Traps hold the scent of fear. If you are using the same trap, it could still smell of your cat's fear and he won't go into it. You might want to try cleaning it. I had to put a cutting board on the trip device so my feral cat would step on it. He kept going in and getting the food without...
