Bottle nipples 8 months plus?? Help

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My girl is 8 months old, loves the tommee tippee bottles but because they only go 6 months plus. I have to cut them she’s going through like 3 nipples a week, please help!! Are they’re any bottles that go higher cause I cut them and then they continue to split. This is ridiculous! I have to cut them the milk doesn’t come out fast enough for her