1. First open all the Velcro Closures on the Dog VizVest
 
 
2. Place the Dog VizVest on your Dog and put the Front legs of the Dog through big opening.
 
 
3. Close the Velcro Closure that is on the back of your Dog.
 
 
 
4. Please make sure that the Dog VizVest is not too tight nor too loose on your Dog and good mobility is given.