We just learned about the Straight Peen Hammer.
Another type of hammer used in blacksmithing is the Sledgehammer.
This type of hammer has a round flat face on both sides, and a very long handle.
(from: wikipedia - sledgehammer)
In the old days of blacksmithing, there would be one person holding the piece of metal in place, while another person called the striker would take a big heavy swing and hit the piece of metal very hard with the sledgehammer.
(from: wikipedia - blacksmith)
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