The purpose of the Additional Additions mod is to expand the functionality of the game by adding more utility to copper, amethyst, ink sac and other materials.

Now you can create new items and blocks.

Rope – used for easy ascent or descent from a hill;
Copper patina is an alternative version of redstone, which also uses blocks in controls and mechanisms;
Wrench – used to turn blocks;
Copper Armor – At the blacksmithing table, add a copper ingot to gold armor to get copper armor;
Crossbow with a spyglass – to zoom in on the sight, press the Shift key;
New spell for crossbow “Accuracy” – increases the accuracy of shooting from a crossbow;
Watering can – water your crops so they grow faster;
Sweet pleasing cake – prepared from sweet berries;
Amethyst lamp – will not illuminate the area, but blocks the spawn of mobs within a radius of 8 blocks.