Hatha yoga kriyas are purification techniques that cleanse the body and mind, preparing practitioners for higher yogic practices. These include Neti (nasal cleansing), Dhauti (digestive cleansing), Nauli (abdominal massage), Basti (colon cleansing), Kapalabhati (breath purification), and Trataka (concentration practice). Neti removes mucus and allergens, improving respiratory health. ... https://yinyangyogaacademy.org/blog/how-many-types-of-kriyas-in-yoga/