Moodle gives you a dozen ways to add a video and no good way to add part of one. Whether your site is school-hosted or on MoodleCloud, showing students minutes 14 through 19 of a lecture usually means writing out instructions and trusting the seek bar.
With TubeChop you trim the video first, then add the clip to Moodle as a URL resource, a link in a label, or an inline embed. Students get exactly the segment the activity needs, played through the official YouTube player.