Hi there, I'm a new member here. I found this part of the website through googling about my own issues, and I'm working up the courage to post my own issues/experience,but I saw this and just wanted to comment.
Firstly, I just wanted to say that the mere fact you posted this thread shows you know this is not right and potentially damaging to your children. You know as you saw their reaction, comforting each other at his outburst, and that stayed with you, so much so you mentioned it here. You know this isn't right or fair or safe for your children, and you're right, it's not. If he cannot keep them safe, it's your sole job now, they have to come first, they need to be safe.
Secondly, I wanted to say something you may not like, but may have the impact you need.
You say how lovely and good-natured your children are, which is lovely. Now, I want you to see those sweet children doing exactly what your husband does, acting in anger, see their faces change to that of rage like his. See them terrifying their future children in the exact same way. If this picture disturbs you as it should then you now know you need to remove these children from this situation ASAP.
I say this from experience. I was raised in a house where this happened, where rage was used to show frustrations and things were broken including glass doors. It's awful and terrifying. I was a naturally sweet natured child, but now as an adult I am ashamed to say that I am prone to anger outbursts and I resent my mother for not removing me or providing me with a safe and non toxic environment.
Your children could go on to be just like their father and learn this behaviour, or end up in abusive relationships as violence has been normalised for them, it's all they know.
Please just get your kids out of there now. You know it's wrong and unsafe, that's why you've shared all of this here. You now have to remove them from this situation.
As a child who lived through this, that's what we're screaming in our heads, GET ME OUT OF THIS HOUSE!