Like every thing they need to learn there trade they would of just been running around the top of the sets and not going down to were the rabbits are best to put them in with a well worked ferret so they follow it down and get the idea if you can't do that just a case of keep entering them till they latch on to a rabbit some never learn and don't make the grade not all ferrets work as a lot of people think that's why when you get a good worker there worth there weight in gold.