Answer:
The reticulum is the second stomach in the set of four, its main function is to interact with the rumen to initiate the mixing activity of the rumen and providing and additional area for fermentation. This stomach is generally known as the honeycomb due to the lining of small compartments in the shape of honeycombs. It is also known as the Hardware Stomach since it is the main compartment where foreign objects like nails, stones, wire, and other objects are collected and degraded by the gastric juices of the cow's GI tract.