Put some of this on your finger (Anti Chew, Bitter Spray for Dogs and Cats-16 Oz, Extreme Taste-Stops Furniture Pet Chewing, Biting, Licking-Alcohol Free Deterrent/ Repellant -Made in USA, For Puppy, Kitten Training Aid https://www.amazon.com/dp/B07NYB22QB/ref=cm_sw_r_cp_api_glc_fabc_IWc1FbXHFWM8J) tell her she will open her mouth now and won’t get the bitter spray. Or you can force her too and she’ll have her mouth open AND bitter spray