this video simplifies how aligners work, and explains the principle of attachment use.

The following music was used for this media project:
Music: Joy At Work by MusicLFiles
Free download: https://filmmusic.io/song/8448-joy-at...
License (CC BY 4.0): https://filmmusic.io/standard-license
Artist website: https://cemmusicproject.wixsite.com/m...