I would shave her first and see where that leaves you. Be extremely careful. Even though you're a dog groomer, rabbit skin is MUCH MUCH thinner than dog or cat skin. They will cut easily, even with trimmers. You may want to take her to an exotics vet the first time since she's so bad. She may need to be sedated for this shave. Rabbits can actually be scared to death.
We are as gods to the beasts of the fields. We order the time o' their birth and the time o' their death. Between times, we ha' a duty. - Terry Pratchett.
"Men have forgotten this truth", said the fox, "But you must not forget it. You become responsible, forever, for what you have tamed. - Antoine de Saint-Exupéry