This adapter fits the modern Thule wingbar roof racks .It helps fasten down big bulky items on the roof rack with the use of ropes or tension belts.
it is a tight fit in the roof rack rail .
Its imperative that the print direction is followed so that the item can hold forces better. The arrow indicates correct orientation.4 walls are recommended
no supports needed
User is responsible to assess the suitability of the item for the indented use. The designed has no responsibility on the way the item is used .