To Drag a Mesh Softly

Select the Drag Mesh tool ( Modeling > Mesh > Modify Meshes ).
Select the desired selection method.
Set Mode to Drag Softly.
(Optional) Select Subdivide Locally.
Select a mesh element.
Select a start point to begin the selection of mesh facets.
Select an end point for the selection of mesh facets.
Note: If you have Subdivide Locally selected and you right-click at this point, the tool will exit and subdivide the selected mesh facets.
Select a handle to drag.
Drag the selected handle to the desired location.
All handles will move at a progressing rate less than the selected handle unless you select the <Alt> key, which will drag only the selected handle.

Note: If AccuSnap interferes with the drag operation, select <Shift + Ctrl> to suspend AccuSnap.
Click to complete dragging the mesh element softly.