On the other hand, classic publications including the ancient Indian Hindu Kama Sutra (Vatsyayana, 1883 , initial circa 400), medieval Indian Koka Shastra (Kokkoka, 1965 , initial ca. 1150), and Arabic The Perfumed Garden (Al-Nafzawi, 1886 , initial ca. 1400) suggest such stimulation that is painful biting, scratching, spanking, and locks pulling to improve sexual […]