Have you tried rugby hold, and laid back latch? They're the go-to ones for most breastfeeding consultants I've seen. Also try a dream feed, as sometimes the problem is baby overthinking the latch when awake and hungry
Hey mama, I found this very helpful - https://www.youtube.com/watch?app=desktop&v=41fC0fQs1P8 xxx
Try nipple shields, beware you may need to top up with expressed after but I used them for almost 2 weeks to help with latch and I’m now at 9 weeks EBF without using the shields, if it wasn’t for them we never would have got this far x
Find an IBCLC in your area