# Editor.FrameToolButton > Toolbar toggle that arms the draw-to-size container-frame tool. Source: https://docs.docmosaic.com/docs/primitives/frame-tool-button Toolbar toggle that arms the draw-to-size **container-frame** tool. While armed, dragging on an empty part of the page rubber-bands a new `FrameSection`; other sections dropped inside it become its children. Mutually exclusive with the shape, image-frame, and drawing tools. ## Usage ```tsx import { Editor } from '@docmosaic/react'; ; ``` ## API Reference ## Related - [Frames](/docs/concepts/frames) - the container-frame model - [Editor.ImageFrameToolButton](/docs/primitives/image-frame-tool-button) - shaped image slots - [Root](/docs/primitives/root) - the orchestrator