Quoting kate♥[j&a]:" Have you tried using a nipple shield?"
why jump to nipple shield? Unless there are issues with her nipples... she shouldn't jump to a shield. It doesn't provide adequate stimulation, and can cause more problems than it helps.
OP... don't try for too long, calm baby first. Stimulate baby with your nipple and pull baby in fast when he/she opens up. Have you worked with a lactation consultant at all? Do you have friends who BF that could help?