Crab sticks are a food item dropped by the crab and the king crab. One crab stick along with one crab claw is dropped when a crab is killed. Four crab sticks are dropped along with four crab claws are dropped when a king crab is killed.
They can also be crafted into the Crab Helmet.
The crab sticks were added in the "Crab in the Bed" update.
You need 10 crab sticks to craft a crab helmet.
You need 5 crab sticks to fully restore the food bar.
Crab sticks cannot be cooked.