that one also. repeat this with all of the curtains in your home that you wish for him to be able to close and motion toward that particular curtain.
to begin, grab a clicker and some tasty treats. go over to the curtain that you want your pup to close and call him over to you.
wiggle the curtain in front of your puppy's face and encourage him to bite it. tell him to 'close it' while you do this. as soon as he bites it, click your clicker and give him a treat. repeat this until he will bite it whenever you tell him to 'close it' even when you do 