unobstructively

In this respect, mind is somewhat similar to a mirror that, on an external, noncognitive level, unobstructively also gives rise to appearances of objects.

The Gelug-Kagyu Tradition of Mahamudra ��� Session Six 1997

It may be disconnected from the mouth, which is the other great resonance chamber, by the lifting of the movable part of the soft palate so as to shut off the passage of the breath into the nasal cavity; or, if the soft palate is allowed to hang down freely and unobstructively, so that the breath passes into both the nose and the mouth, these make a combined resonance chamber.

Chapter 3. The Sounds of Language 1921