Put the object in the dog's mouth, then take your hand away, and train the dog to keep it in the mouth.

　(2)Learn to obey

Show something that the dog can pick up in front of the dog's nose and command "hold it." If the dog is unwilling to pick it up, tap the dog's upper lip with the held object to order it to pick it up.

　(3)Praise and rewards

If the dog catches it, praise it. You can press the dog's mouth with both hands to keep it in the hold. The dog is very willing to play this kind of game of holding things in its mouth. The owner can place the held object in front of the dog and order it to "hold it". The dog holds it for a while, then commands "ok" and "release" to take it off. something and praise. You can also put things further away and repeat the exercise. After repeated many times, the dog will obey the owner's training and complete the action of holding something in its mouth. The owner can give the dog something it likes to eat.