Place The Product; Open The Air Valve; Get Pump - ROHO Cushion Instructions For Adjustment

STEP 3: Place the Product
Place your ROHO cushion on the chair, making sure it is
centered and right side up, with the air valve in the front
left corner.
STEP 4: Open the Air Valve
Turn valve counter-clockwise to open.
STEP 5: Get Pump
The pump has a flexible rubber hose.