A good forge fire has three characteristics. It is clean, that is, free from clinkers, cinders, etc. It is deep, with a big center of live burning coke. And it is compact, being well-banked with dampened coal.
Usually, although not always, when a hole is to be punched for an eye, as in a chain hook or a clevis, it is best to upset the stock first so as to give more metal and make a stronger eye.
Success in blacksmithing depends largely upon ability to strike effectively with the hammer. Most blacksmithing requires heavy, well-directed blows. Where light blows are better, however, they should be used.