This Kula icon is made in Material Design style developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 4,300 icons, all in the same style and quality.
A crutch much like the one you'd expect. At the top, a pad for the underarm, with a brace attached to it and a handle crossbeam. The brace comes together to form a single line, at the bottom of which is a pad to protect flooring.