[Henry nods, then pauses, narrowing his eyes critically. He is, regretfully, no blacksmith.]

On second thought.

[He opens up the ring again and frees it.]

If you heat the ring here where the ends are open, then I shall weave it in and close it.

[That likely makes the most sense, given the present limitations. It's hardly as though they have the supplies, tools or skill to wedge rivet mail. So, welded.]

These must be done one at a time, I fear.

[This would be a horribly dull task without the company.]