Is it real? Could you use this is a real situation?
Like everything else in life, it depends. The best way is always to avoid conflict. The sequence below started with a hand grab. The elbow would break before you are thrown. You may throw an elbow strike to the face as well.
These techniques were used by the samurai. Kaiso Obata taught martial arts and arresting techniques to the Tokyo Riot Police.
Sokumen Irimi Nage