The hooks are sewn into the curtain to create pinch and goblet pleats. Hooks are adjustable in increments of 5mm. Washable and highly UV resistant due to the quality of nylon used.
Slide the hook down to detach it from the glider.
Place the glider in position ensuring the edge of the fabric is flush against the glider wall.
Sew through the fabric into the glider using the guide wall for positioning.
Re-attach and align the hook into place, note the hook can only move in a downward direction, to reposition upwards slide off the bottom and re-attach at the top.
This video may also be useful although it is gererally about adjustable curtain hooks