Use your round nose pliers to gently open the eye of your eyepin. Hang the tassle and gently close the loop.
Place a tanzanite bicone on the eyepin. Above the bicone, use your round nose pliers to make a loop, perpendicular to the eye at the bottom of the pin. Wrap the wire around itself about three times and trim the excess.
Use your round nose pliers to carefully open the loop at the bottom of your french wire. Hang your eyepin from it, by the loop you just made. Carefully close the loop and repeat for a matching earring.