Experts also claim that dogs with emotional troubles which include separation stress and anxiety or superior levels of anxiety (loud noises) can adopt this self-calming actions, in the form of sucking or nibbles on blankets. Also, dogs can chew holes in blankets if they suck on them for also prolonged. https://prbookmarkingwebsites.com/story9128371/about-why-does-my-dog-suck-on-blankets