I still cannot believe how effective this stuff is! All the hooks fell off within a week days. Sound is clear and has a good amount of bass. I did my research. I was so amazed. They sound pretty crisp, enough bass but not overpowering. Make sure you note before removing the track and if you forget the thicker side points forward, like an airplane wing. just letting you know! Grass clogged shoes spikes, where do you often find a still wire brush to clean them with? These sandal? Simply remove them and slap them on any pavement and they are cleaned! Any shoes would hurt at that point.