Japani Tail is used to massage of penis for enlargement and stop[ the Premature Ejection. Japani oil is the easy solution for giving relief to your fagged or tired penis muscle. Japani Oil is best for harder erection of penis as it improves the flow of blood in male organ. Japani Tail is a combination of Herb Like : Malla ,Keshar ,Tilli oil ,Jaitoon , Laung , Malkangni , Hartal , Akarkara.