What is Drag Lock on Mac Trackpad?

Change Mouse & Trackpad Preferences for Accessibility on Mac

with drag lock: Double-tap an item, then drag it without lifting your finger after the second tap ; dragging continues when you lift your finger, and stops when you tap the trackpad once.

How do I Drag with Mac Trackpad?

Click or tap to click and highlight the item you want to move.
Press and hold the trackpad or mouse while dragging the object.
When you're ready to reposition the highlighted item, release the trackpad or mouse to drop it in the new place.

What does with Drag Lock Mean?

The ability to lock onto a screen object so that it can be dragged with the mouse without continuously holding down the mouse (or trackball) button.

How do I Turn off Drag Lock on Mac?

Double tap and hold to begin dragging.
Release the mouse.
Moving the mouse will continue dragging.
Tap once to stop the dragging.

What is Enable Dragging with Drag Lock?

The Drag Lock method allows you to activate a drag lock so that you can drag without having to hold down the mouse button at the same time.