Bernese Mountain Dog Very Angry with Puppy

After play time Sammy got really angry with ben! later they became best buddies!
I apologize for the quality of the movie, this was recorded with a vhs camera, but I thought it is worse sharing.
Scheck out the following links:
Treatless dog training!
https://bit.ly/3g0Q0UE
73 Ways to Effortlessly Transform Your Dog Into A More Obedient,
https://bit.ly/35uUmBw