BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will be more apparent from the following detailed description in conjunction with the accompanying drawings, in which:
FIG. 1 is a cross-sectional view showing an accessory according to one preferred embodiment of the present invention;
FIG. 2A is a cross-sectional view showing an insertion part and a catch according to the preferred embodiment;
FIG. 2B is a cross-sectional view showing an insertion part and a catch according to a first modification example of the preferred embodiment;
FIG. 2C is a cross-sectional view showing an insertion part and a catch according to a second modification example of the preferred embodiment; and
FIG. 2D is a cross-sectional view showing an insertion part and a catch according to a third modification example of the preferred embodiment.