If you feel that your yoga has reached a certain level and all aspects of your body have been opened, you can get in touch with the more difficult postures in Whelan Yoga.
Personally, I think that if you are just a yoga enthusiast, it is recommended to practice in a professional club. Under the guidance of the coach, you will avoid physical injury. You can contact yourself at home, and some taboos in yoga posture are incomprehensible.