Adds an edit point to a curve, or an edit point isoparametric curve to a surface.
Insert additional edit points/isoparametric curves into a curve or surface
Align, combine, or split objects

The Insert tool shows in green what the new hull shape will be, enabling users to insert CVs with greater visual control over the shape of the curve.
Ensure that display of CVs and hulls are turned on to benefit from this feature.