How do kriyas purify ones consciousness?
Blocks, known as samskaras or impressions, do not just obstruct kundalini, but they embody attachments, conceptions and other mental afflictions that limit the freedom of our consciousness. Left unattended these attachments lead to actions which only reinforce the attachment. For example if we have impressions of anger then we will manifest anger in our activities which only reinforce our impressions. As kundalini rises it will purify the anger and as a result of the purification process the kriyas will occur. Speaking of kundalini as an intelligent force which manifests its intelligence in particular activities, such as spontaneous yoga postures, to purify the blocks to its progress may sound a little mystical but there is a less mystical way of understanding what that means. In our common language there are many colloquial phrases which allude to the natural state of our body-mind as being ”straight” or ”upright” and the unnatural state being ”kinky” or ”entangled.” We say po