This article applies to Avid Studio and Studio 16
Magnetic Snapping is a tool in Studio that, when enabled, automatically snaps content to cuts or markers when dragging them in the timeline. For example, if you want to drag a photo immediately to the right of an existing photo on the timeline, Magnetic Snapping will put the two photos side-by-side once you drag it close enough to the existing photo. This ensures that content is sequential on the timeline without any gaps.
The Magnetic Snapping button is found toward the upper-right of the timeline: