Non-Shock Pet Deterrents - Choose one of our Pet Deterrents to keep areas Pet & Critter free. Habituated behavior patterns are often correctable through simple avoidance of problem spots. When any of our Pet Deterrents are positioned where Pet or Critter is unwanted, our Pet Deterrent sends a strong message to the Pet or Critter while it is 'thinking' about performing an undesirable act. Most Pets & Critters quickly associate this unpleasant experience with the location. To avoid this unpleasant sensation from our Pet Deterrent the Pet or Critter avoid the area.