a dilator / insert internally support the lateral nasal walls and securely stay in place without discomfort . it stays inserted by a pair of ledges and / or catches , each resting behind a respective : limen nasi ridge ; and / or a foot of the columella . the insert is confined from shifting off those protuberances by being tall ; almost as tall near the entrances of the nose as the entrances themselves . when worn , the bridge / leg assemblies look like two central nose rings . the peripheral rigidity of the bridge / leg assemblies braces the lateral walls of the nose apart and keeps the ledges in position . catches can position midway rearward on bottom legs ; and they extend centrally enough to rest behind , without engaging , the feet of the columella . the function of the described embodiment is to improve nostril breathing . it , or a similarly functioning embodiment , assembled by incorporating nasal tubing can be used to keep nasal tubing in the nostrils and prevent such tubing from scraping the nasal walls . an embodiment of the insert can be used as comfortable nasal jewelry .