Are you aware that you can access a permanent link to a particular video clip in Safari Montage?  When you access a video in Safari Montage, there is a link you can click on titled, permanent link.  You can copy and paste this link into your LMS (Moodle, Canvas, Schoology), blog, and/or wiki for your students to access.  The permanent link will still require students to log in to Safari Montage after they click on the link.