I've been thinking how tedious it is to combine rings for chainmail, so I thought "boy, they could just add these strings to the crafting book..."
==Four in One Patterns==
Combine 4 Dozen Open Steel Rings, Dozen Closed Steel Rings, into 1 Four in One Patterns.
Combine 8 Dozen Open Steel Rings, 2 Dozen Closed Steel Rings, into 2 Four in One Patterns.
Combine 12 Dozen Open Steel Rings, 3 Dozen Closed Steel Rings, into 3 Four in One Patterns.
...
Combine 4n Dozen Open Steel Rings, Dozen Closed Steel Rings, into n Four in One Patterns.
==Six in One Patterns==
Combine 6 Dozen Open Steel Rings, Dozen Closed Steel Rings, into 1 Six in One Patterns.
Combine 12 Dozen Open Steel Rings, 2 Dozen Closed Steel Rings, into 2 Six in One Patterns.
Combine 18 Dozen Open Steel Rings, 3 Dozen Closed Steel Rings, into 3 Six in One Patterns.
...
Combine 6n Dozen Open Steel Rings, Dozen Closed Steel Rings, into n Six in One Patterns.
And so on. Or maybe rewrite that system...