A lobster clasp with an extension chain is an elegant way to finish your necklace or bracelet. The great advantage of an extension chain is that you can attach the jewelry to any desired length. If you know the exact size, you can also opt for a single ring without an extension chain.
Needed supplies:
- Lobster clasp
- Open ring (4 or 5 mm)
- Cap with eye
- Extension chain
- Crimp beads
Always make sure you have enough thread left to attach the lock (about 10 cm).

Thread 1 crimp bead all the way to the end of your wire.

Crimp the bead closed. Use crimp bead pliers to firmly close the bead. Below, you’ll see how to crimp the bead closed with these pliers. Note: We’ll attach the lobster clasp later; for now, just focus on securing the bead.



Once your bead is securely attached to the wire, trim the end. Then, thread the cap, ensuring it fits neatly over the crimp bead. Make sure the cap’s ring is positioned at the end of the wire.

Attach the open ring to the cap. The cap may remain slightly open, but that’s no problem.

Attach the carabiner to the open ring, making sure the ends of the open ring fit together properly when you squeeze it closed. If the ends don’t fit together properly, the ring can easily open again.

Design your bracelet or necklace exactly the way you want it.

First string a skullcap and then a crimp bead.

Use the crimp pliers to crimp the bead closed again, as you did in step 2. Once the bead is securely fastened, trim off any excess thread. It may be a little harder to crimp the bead closed now, as the bead’s base plate may be in the way. Try to crimp the bead as close to the base plate as possible, otherwise the clasp won’t fit properly on the bracelet.

Confirm the open ring.

Attach the extension chain and squeeze the open ring shut again, neatly and securely.
Now your beautifully finished clasp is complete!