Then repeat the process on the other nostril.

Repeat several times, changing nostrils.

This method will usually clear the nostrils of obstructions.
In case the trouble is caused by catarrh it is well to apply a little vaseline or camphor ice or similar preparation.

Or sniff up a little witch-hazel extract once in a while, and you will notice a marked improvement.

A little care and attention will result in the nostrils becoming clean and remaining so.
We have given considerable space to this subject of nostril-breathing, not only because of its great importance in its reference to health, but because nostril-breathing is a prerequisite to the practice of the breathing exercises to be given later in this book, and because nostril-breathing is one of the basic principles underlying the Yogi Science of Breath.
We urge upon the student the necessity of acquiring this method of breathing if he has it not, and caution him against dismissing this phase of the subject as unimportant..