Select consecutive clips
Click first clip, Shift-click last one
Select nonconsecutive clips
Click first clip, -click each additional one
Nudge video clip
Click clip, then press right arrow (add Shift to move 10 frames at a time) to create black gap
Shorten clip (ripple edit)
Drag clip's edge inward (other clips slide left to close up the gap)
Shorten clip (creating gap)
-drag clip's edge inward
Lengthen clip (ripple edit)
Drag clip's edge outward (other clips slide right to accommodate longer clip)
Lengthen clip (trim adjacent clips)
-drag clip's edge outward (adjacent clip gets truncated by the overlap)
Switch to Clip Viewer
-E (also switches back again)