<https://directsalonfurniture.co.uk/salon-stools/wbx-ascot-saddle-stool/#product>
<http://schema.org/description>
"One lever that locks the saddle in any desired position and a second that adjusts the seat height."
<https://directsalonfurniture.co.uk/college-furniture/wbx-ascot-saddle-stool/>