מלכים ב ב:ח פירוש: רש״י

And [he] rolled it up. He rolled it up in order that it would be easy to strike with it.

And [he] rolled it up. Not exactly rolling, but gathering together,⁴I.e., he did not fold it neatly on its creases, but he bunched it up together. which is called cueilir, in O.F.