A fastening device has a female component havinga female opening featuringa broader female width at a first depth anda narrower female width at a second depth. The female component also has a female attachment surface with an interior slope rising away from the female opening. The fastening device also has a male component with a male attachment member that at least partially conforms to the interior slope of the female attachment surface. The male attachment member also has a broader male width larger than the narrower female width. The male attachment member also featuresa narrower male width that is not larger than the narrower female width.一種固定裝置，其具有母部件，所述母部件包括母開口，所述母開口包括在第一深度處的較寬的母寬度和在第二深度處的較窄的母寬度。所述母部件還包括具有內斜坡的母附接表面，所述內斜坡離開所述母開口上升。固定裝置還具有公部件，所述公部件具有公附接構件，所述公附接構件至少部分地與母附接表面的內斜坡相符。公附接構件還具有大於較窄的母寬度的較寬的公寬度。公附接構件還以不大於較窄的母寬度的較窄的公寬度為特徵。
