After Effects On the Spot[c] Time-Saving Tips and Shortcuts from the Pros
What we were thinking is that it would be pretty convenient to have dragged items snap to marks. By holding down the Shift key, your dragged item's in-point will snap to the current time indicator, markers, in- and out-points, and visible key frames . If you want to snap the out-point, hold down the Option (Alt) key.