Bone Glue

Bone Glue is a crafting ingredient used in a variety of different curiosities, buildings, and siege engines.
==How to Acquire==
 requires 10 pieces of bone material, and is made using a metal cauldron or a clay cauldron. There needs to be at least 5.0 liters of boiling water in the cauldron. 
Right-click the boiling cauldron, choose bone glue from the crafting menu, and click 'craft'.