They really go for it

Kate moves down to one of Claire's breasts, biting on her nipples, then putting it in her mouth, sucking, teasing, licking it.

Claire moans loudly as Kate gives each breast equal attention, loving the feeling of the hard nipples in her mouth. As she does this, Claire begins to get into it more, one hands rubbing the back of Kate's head, pushing her harder and harder against her own tender flesh. "Mmm....oh Kate, mmmm...."