Hand is most important tool.
Hand is a signature like "it's me that made it".
The oldest signature is a painted hand, like in the Lascaux cavern.
It's an reference to our ancesters, and keep the human in the center of the creation process. Nothing is more personal that an handmade object.
The typo choice is also a reference, The Caslon has been made in 1722, and it's a pure handicraft product.