How do you shear something in Illustrator?

To shear from the center, choose Object > Transform > Shear or double-click the Shear tool . To shear from a different reference point, select the Shear tool and Alt‑click (Windows) or Option‑click (Mac OS) where you want the reference point to be in the document window.

What is the shear tool?

Shear tool is used to shift one part of an image, a layer, a selection or a path to a direction and the other part to the opposite direction. For instance, a horizontal shearing will shift the upper part to the right and the lower part to the left. … This is not a rotation: the image is distorted.