The Baubles mod is a small addon and api used by other mods, it adds additional inventory slots.
The new inventory has 4 new slots: for an amulet, a belt and two slots for rings. This inventory is opened with the “b” key (default).
The original mod adds only 1 ring, it will increase the speed of digging, basically this mod is designed for other mods that add different items.
Mod adding items:
Trinkets and Baubles
How to install the mod:
Install all additional mods if specified.
Download mod and copy to .minecraft \ mods
Launch the forge version of the game in the launcher.