Concrete door stoppers are the best ones because they are heavy enough to keep the doors in place, so no more door slamming.
Idea para tope de puerta marítimo - Door stop idea - Maritime Deko-Ideen: Spiegel und Türstopper mit Tau
Great for a weekend project: diy concrete door stoppers with full tutorial Use for garage door
34 Cool and Modern DIY Concrete Projects - concrete drawer pulls!
20 cement and concrete craft projects from Too Much Time on My Hands
cale-porte en beton cement concrete
Not in English - make concrete door stopper and use this idea for painting/dipping. I'm thinking some gold/copper would look great to dress up the concrete for inside the house.
Concrete door stops
DIY: use rope to cover ugly wires and extension cords