Blind Dog Bumper Diy . This clever diy contraption helps an adorable blind dog walk safely. Take this measurement, and add 4 inches for a small dog, 5. Blind Dog's Family Invents A Device That Changed His Life from www.thedodo.com Put the harness on the blind dog and adjust for a comfortable fit. Jesse had recalled seeing a device online at muffinshalo.com that was designed to help guide dogs who were blind. This video is a lot different from the content i usually post.the purpose of this video is to show an easy and comfortable bummer for the blind dog.out dog s.