www. JBBfindings.com This video from JBB Findings shows you how to use Lock-in Jump rings. Our jump rings available in different designs, sizes and shapes. Our Lock-In Jump rings is a great easy way to connect your jewelry parts. You can find Lock-in Jump rings here: https://www.jbbfindings.com/findings/jump-rings/lock-in-jump-rings.html We offer 15 Different finishes (over Sterling Silver, Brass and Pewter) https://www.jbbfindings.com/jbb-metals-and-finishes All our products are Lead, Nickel and Cadmium free. Yes Hi dear