I would pinch her to let her know what it feels like without being angry or fussing about it. Once she pinches you, tell her that hurts and pinch her to show her. Then make her say or sign hurt. The problem is she doesn’t understand that she’s hurting you yet. If you get her to y sweat and pinching and labeling hurt, you won’t need to “demonstrate” with hitting
Disapline? Like tell her no hit or pinch her back and " hit her " back ( not hard ) and if she cries tell her " that hurts doesn't it, you don't hit mama ". I discipline my 2 year old son with spanking and slapping the hand cuz he will misbehave. You have to discipline because if you don't stop it now you won't stop it when they're teens.