Complex sentence: These cylinders usually have a pattern embedded throughout the length, which is often the name of the resort where the rock is sold, so that the name can be read on one end of the stick and remains legible even after pieces are bitten off.
Split into simpler sentences: These cylinders usually have a pattern embedded throughout the length, which is often the name of the resort where the rock was sold. It is usually made so that the name can be read on one end of the stick and remains legible even when pieces are bitten off.