Timeline

Action	Shortcut
Zoom In	`⌘+`
Zoom Out	`⌘-`
Scroll	Two-finger swipe or scroll wheel
Go to Start	`Home` or `⌘←`

Editing Clips

Click to select a clip. Hold Shift to add to selection.

Drag selected clips to reposition them.

Drag the edges of a clip to trim the start or end.

Position the cursor and press ⌘E to split at the cursor position.

Clips snap to the grid by default. Hold ⌥ while dragging to snap to a finer grid (1/8 of the normal grid division).

⌘I