Liberon rabbit skin glue is a traditional glue which is mainly used in gesso and size preparations for gilding purposes performance natural animal skin glue traditional pearl used for making gesso and for gilding how to use dissolve in warm water mixing 1 part glue to 4 parts water heat this solution in a double pot until all the glue has melted if the glue is too thick add some more water to the solution do not allow to boil precautions the glue may be reheated two or three times old or dirt