To open the Lasso Tool, click the Lasso Tool icon in the Tool Box. The Lasso Tool lets you select objects and components in your scene by drawing a freeform shape around them. Double-click the Lasso Tool icon to display the Lasso Tool options.
Sets whether the lasso automatically closes itself.
As you draw the lasso, the shape remains open.
As you draw the lasso, Maya connects the end and start points to show the enclosed space.
Uses an approximation of the lasso shape to select components slightly faster when you release the mouse button.
Uses the exact shape of the lasso, but can take slightly longer to select components when you release the mouse button.
On newer machines there is very little difference in speed between Fast and Accurate component selection.