You have to strike while the iron is hot. You can’t have too many irons in the fire. It has a nice ring to it. Go at something hammer and tongs. These are all idioms that have origins in blacksmithing, so Scott Wadsworth of Essential Craftsman decided to literally show us what all those idioms look like when…
Source: Gizmodo – An Actual Blacksmith Explains Why You Should Strike While the Iron Is Hot