Select a passage.
Give it weight.

The browser measures that shape line by line. Here, each line briefly becomes solid enough to change a moving point.

Drag across words to select them. Keyboard: focus a passage and press Enter.

THE MARGIN HELD

The words stayed put. The route did not.

All three margins reached

You gave the
sentence weight.

The text never moved. The browser simply told you where every selected line already was.

How it bends

Up to three selections can exist at once. Resize the page and their shapes will follow the text.