13. Shattered glass
Or at least that’s what will undoubtedly soon be raining down on anyone who tries to throw a ball into this hoop. We’re no masters of design but even we know that this is about as badly thought out as it gets.
12. Building bricks
If you can look at this picture without wanting to take an industrial-strength saw straight through the end of that overhanging brick then you’re a more restrained person than we are. Somehow, we suspect that you’re equally ill at ease with this travesty, however.