Watch the video below on how to use the Razer Iskur gaming chair.
How to adjust the Razer Iskur’s lumbar support
While seated on the chair, lift the lumbar support lever to raise the lumbar support. Adjust it to your
desired position and release the lever to lock it in place.
How to adjust the lumbar support lever on the Razer Iskur
Here is the video on how to perform further adjustments on the Razer Iskur’s lumbar support.