★ 6.6
★ 7.8
★ 7.2
★ 6.9
★ 6.5
★ 6.0
★ 0.0
★ 6.4
★ 5.7
★ 6.7
★ 7.0
★ 3.6
★ 8.0
★ 6.8
The sound of a bell is produced by the crash of two metallic spheres: the exterior one and the interior one. The same happens with couple fights.