Carajillo Bob

The Lab

Materials, process and the craft behind the hardware.

Rings Closed with Welding — What Does That Mean?

February 18, 2026

Rings Closed with Welding — What Does That Mean?

What are welded rings (quick answer) A welded ring is a ring that has been permanently closed using heat, either by…

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Caring for Anodized Titanium — Why Color Changes (and How to Bring It Back)

April 13, 2026

Caring for Anodized Titanium — Why Color Changes (and How to Bring It Back)

Anodized titanium doesn’t get its color from paint or dye. It comes from a very thin oxide layer formed on the surface…

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How to size a heavy chain bracelet

May 14, 2026

How to size a heavy chain bracelet

Measuring flat on a table will mislead you

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