Lasso tool

Icon for a typical lasso tool
Icon for a polygonal lasso tool

The lasso (or "free form selection") is an selection tool available, with minor variations, in most digital image editing software and some specific strategy games. It is often accessed from the standard main menu (in Photoshop, Paint Tool SAI, and GIMP, as common examples), by clicking the icon of a rope lasso, from which the common name arises.