Dirt Hole Set - Ticket to Canine Success The dirt hole set has probably caught more fox and coyote than all other sets combined. A properly made dirt hole set can catch every canine that passes, but the secret is learning how to make a good one. The first step is to put your set location in an area inhabited by fox or coyote. In wooded areas, look for your set location near trails that cross. In farm country, locate where fence rows meet, near rock piles and old farms. Anywhere mice and.