Our glue formulation has the ideal combination of immediate grip and stretchable hold. How to Use Open package and separate Tomcat Glue Traps Place trap where rodents travel and where you've seen signs of them. Be sure to place flush against the wall and avoid corners Dispose of trap and rodent in trash. When to Apply Seeing a mouse or seeing droppings is the #1 sign you have a rodent issue. Destruction to food or property (particularly gnaw marks) Erratic pet behavior Oily 'rub' marks on baseboards and walls. How often to apply If mouse is not caught in 2-3 days, place trap in alternate location where mouse activity is suspected. Where to Use Place trap where rodents travel, usually a 10 - 30 ft area between their nest and food source.