Please help, need a slow flow bottle!!

An

My daughter is 2 weeks old I've began combining breast feeding with bottle and formular feeding. We're using the tommee tippee newborn bottles with the slowest teats and it's way too fast for her she is spitting alot out at the sides of her mouth and bibs are just wet at the ends of feeds. So I tried the advent newborn bottles and it's the same issue!!

My daughter doesnt feed like this at all when I breastfeed her. Does anyone know of any bottle brands that has a very slow pace that I can buy?? She was born only 6.3 pounds so I don't know if that's why she cant handle the flow of these bottles. Any help seriously appreciated xx