If you have already set the In and Out points, and then move the insertion point anywhere to the left of
the Out point, a LMB click on the [ icon will move the In point to the location of the insertion point. In the same
manner if you move the insertion point anywhere to the right of the In point, a LMB click on the ] icon
If you have already set the In and Out points, and then move the insertion point anywhere to the left of
the Out point, a LMB click on the [ icon will move the In point to the location of the insertion point. In the same
manner if you move the insertion point anywhere to the right of the In point, a LMB click on the ] icon