what is salli Swing or Sway Mechanism

The swing or sway mechanism of Salli Swing or Salli Sway chairs enables the seat to be tilted in every direction without a separate adjustment lever. Thus you can exercise while sitting, which adds to the mobility and metabolism of the lower back, and activates the whole body. On Salli Swing or Salli Sway split saddle Chairs, you can train your core muscles during the work day!