The above pose u see is a simpler pose than the peacock itself! It looks more exotic, more difficult because the legs lift higher. However, because they lift (eased by the forehead being down), you actually breathe more freely, thus holding the basic pose far longer than otherwise. This pose is what we do when we are asked to hold the peacock for long -- from the mayurasana dip into this, then stay for quite a while. I love it, and it is also, not surprisingly, easier to teach than the mayurasana itself.
What you need for the pose:
- Strong wrists.
- Good form in the entry of the classic peacock.
- A good headstand (when upside the impact is similar to headstand, in terms of stress on heart, etc).