Trim Curve Tool

This tool trims the end off a curve. Select this tool from the Tools Panel and the cursor changes to , the Trim Curve Tool .

Trim Part of a Curve

Select a curve, (Drag with the RMB until a curve is highlighted in yellow)
Click on the curve where you want ;it to end ;with the LMB.
The shorter part of the curve is cut off and removed. The longer part replaces the original.