Violent is an overstatement, but basically, 18mo DD has started 'grabbing" our faces. Kind of like an all-fingers pinch. Worst of all, she's doing it to DS, who is approaching 3 months. I was expecting some jealous behaviour with his birth, and to be honest, there hasn't been much. But I need to nip this one in the bud.
We've tried confiscating her favourite toy each time it happens - the one she sleeps with. When she asks for it at bedtime, I remind her that I took it away and then ask her if she knows why. She says "yes. Hit baba" and cries a bit. I keep reinforcing why it's been taken away, both when she asks for it and when I eventually return it.
We've also tried putting her in 'solitary" - basically in her cot for 3 minutes or so, ignoring her when she calls out, and then explaining why we are angry etc when we eventually go in to fetch her.
I've also been saying "no hitting, just patting" or "no hitting, just stroking/ kissing" - to offer her an alternative, rather than just being prohibitive the whole time. I've also said "mummy doesn't hit daddy, daddy doesn't hit mummy, mummy doesn't hit you etc etc etc"
Any other suggestions? I am at the end of my tether.