It seems to be the favorite for many women. Don't think vibrators are a bad thing. For many women they will help bring about an orgasm which fingers never could do. The Hitachi is also available at many drug and department stores. It costs a bit but it will be worth the investment.
Many women like to masturbate with dildos or other objects.
Shop there for dildos and other toys as well. However, almost any drug store usually sells several brands that are very good. They tend to enhance sensitivity and they allow either fingers or objects used during masturbation to slip and slide without irritating friction. Surveys have shown that almost all women who have not experienced orgasm want to. Take your quest for sexual pleasure seriously.