Rub the outside skin first so that you self lubricate a bit. Then slide your fingers in. Explore your inside. You'll know when you've found your spot cause you'll enjoy it :)
How Do Girls Master Bate?
They finger themselves, or use sex toys.
By rubbing themselves between their legs
Girls of the proper age can become master baiters on a fishing boat by going into the apprenticeship program and learning the ropes of the baiting process.