Menstrual cup and tilted uterus

I’m trying to switch to menstrual cups but I can’t seem to get comfortable or successfully insert my cup! I’ve tried different folds and I have the smallest size (recommended for tilted uteruses) in the Peachlife cup. Every time that I do finally find a way to get it in, I can’t get it to pop open no matter how I fiddle with it! I’ve read tips like using a water based lube, although I don’t think that’s my issue.

Like I mentioned I do have a tilted uterus. So I know the cup needs to sit lower for me. Can anybody who has conquered this problem give me any tips about insertion and/or recommendations on brands and sizes/shapes?

Please help I wanna put an end to tampons!!!