Light Trails Mode with Even Longer at the Roundabout.
Let's get Screen Record going so you can see exactly how I do this.

Filmed in Washington State at the first Roundabout going into Port Townsend Washington.
Filmed with (iPhone 14 Pro.)
(K&F Concept SA254M1 62'' DSLR Camera Tripod)
Audio: Rode Wireless GO11
Edited on (2021 iPad Pro.)(Lightroom Mobile)
Editor used (Lumafusion.)
Music and Sound effects by (Story Blocks.)