see fig1 of the connection clip 10 to snap together with the receptacle bump 21 the straight block curb components 18 are used to represent a regular glass block and may come in various lengths including 4 u2033 6 u2033 and 8 u2033 referring to fig3 a top view of two straight block curb components 18 with connection clips 10 with differing lengths of back 12 is shown the use of connection clip 10 with a back 12 on one side of a joint that is longer than the back 12 on a connection clip 10 on the opposite side allows for the layout of a curved wall the curb components may come in various shapes corresponding to different shapes of glass blocks referring to fig4 a top view of a 90 degree curb component 22 corresponding to a 90 degree glass block is shown referring to fig5 a top view of a 45 degree curb component 24 corresponding to a 45 degree glass block is shown referring to fig6 a top view of a radius curb component 26 corresponding to a radius block is shown as shown in fig4 6 each of the curb components 22 24 and 26 have receptacles 20 located at each corner of the respective curb component with receptacle bumps 21 to engage the bump 16 of connection clip 10 as shown with the straight block curb components 18 in fig2 3 the connection clip 10 enables the curb components 18 22 24 and 26 to be snapped together such that the spacing between the glass blocks is established by the width of the connection.