YouTube channelUncle and niece. OJITOMEI_CHANNELAt"Street Sport Suspension Kit"A video featuring this topic has been released.
This article features Seika Furuhata, who is also a Roadster owner, showing how she installs the product on her own car.

The video consists of two parts. Currently availableFirst oneNow, let's look at the current situation before installation and an overview of the product.
In the second video, we plan to release a review after installation and footage of a test drive of the demo car.
Please take a look.

The second video has been released.
You can see from here.
(Updated 26.4.14)