Quick answer
To attach the Earth Blue 2x4 Key Chain, simply slide the split ring through the brick's bottom cavity, then onto your key ring or bag loop. No tools needed, but check the ring is fully closed to prevent loss.
Why the split ring matters
The Earth Blue 2x4 Key Chain uses a standard split ring, not a lobster clasp. This design is durable and low-profile, but it requires a specific technique to open without bending the ring out of shape.
If you force the ring open too wide, it can lose tension and fail to close tightly. That's the main reason key chains slip off over time.
Where to attach it
The brick's bottom has a recessed cavity that holds the split ring securely. Avoid threading the ring through the studs on top—they are not designed for attachment and could scratch keys or other items.
For everyday carry, attach the key chain to a main key ring or a small carabiner. It also works well on a bag zipper pull or a backpack D-ring.
How to attach the Earth Blue 2x4 Key Chain
- Step 1: Open the split ring correctly: Hold the split ring with both thumbs on the outer edge and index fingers inside the ring. Gently pull the ends apart just enough to slide the brick's ring cavity in. Do not twist the ring sideways. Common mistake: pulling the ring ends apart too far. This can weaken the metal and cause the ring to stay slightly open.
- Step 2: Thread the ring through the brick: Slide the open split ring into the cavity on the bottom of the Earth Blue brick. Make sure the ring passes completely through so it sits centered, not at an angle. Checkpoint: the ring should move freely inside the cavity. If it feels stuck, the ring may be twisted.
- Step 3: Close the ring and test: Release the ring slowly so it snaps back into its closed position. Run your fingernail around the seam to confirm there is no gap. Then give the brick a gentle tug to ensure it is secure. If you feel a gap, repeat Step 1 and try again. A fully closed ring prevents the brick from falling off.
Product facts
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Earth Blue 2x4 Key Chain: Features the classic 2x4 LEGO® brick shape in Earth Blue color. The brick shape is iconic but has a smooth bottom cavity that fits the split ring snugly, reducing wear on the ring over time.
Earth Blue 2x4 Key Chain
