Net or tarp attachment hook for the Better Shelter residence

This is a hook that can be fitted on the screws that are used to construct a Better Shelter (by IKEA foundation) Refugee Housing Unit (RHU). It was designed by the participants of the Core Relief (www.corerelief.org) workshop.
The hook is used to allow the visitors of the hospitality camps to attach nets and tarps to create shade without damaging the RHU or creating a fire hazard.

This design is a proposal for an extra standardized item that can be manufactured alongside the other parts of t