Puppy's Cone of Shame

My puppy had to go to the vet this week because he has been chewing his feet like crazy. He chewed them so much that his feet were bleeding and he ripped out all of the hair. They gave him antibiotics, anti-inflammatory meds and a spray for his feet. I know I'm not supposed to be lifting more than 5-10 pounds by my puppy needed help getting in my car. He's 44.8 pounds. For a reference, here's a picture. He doesn't look like it, but he's heavy!