Here is the ring and Ring link, so you can make the main component:
https://www.youtube.com/watch?v=EpjLZjwT7s8
Materials
3- 8mm Bicone
110- 2x3mm Roundels
12- 4mm bicone
8/o, 11/o and 15/o seed beads
toggle clasp
8lb Fireline
size 10 beading needle
and