Dark Matter Shears have the same function as Vanilla shears, however Dark Matter Shears have infinite durability and extra advantages.
When shearing a sheep by left-clicking, it drops the wool on top of the player's head. Press "V" to charge. Charging requires some form of EMC. It will cause a sheep to drop 8 wool, compared to the usual 3. It also has a chance of cloning the sheep, allowing for an infinite wool supply. All functions are free to use.