When you do David, take particular note of technique and colour used for forging out homogeneous material, and then the technique & colour used for taking the weld and then forging out the welded material.
Note the little sparks appearing in the flames and the little sparks coming from the material at weld heat.
The window for taking a weld like this is very narrow, a whisker too long and you've burnt the material, not long enough and you've got a cold shut.
You need to develop a sense that puts you in touch with the material, you need to be able to feel what is happening in the fire.
These two blokes are very capable & very experienced, this is the best video I've seen of how to forge & to take a weld.
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