For taste. Some say that olive wood is better, some say oak or beech, though I believe that since these "preferences" tend to be regional they are most probabl

For taste. Some say that olive wood is better, some say oak or beech, though I believe that since these "preferences" tend to be regional they are most probably originated by "whatever wood you have available around". Only thing I can say definitely NO coniferous wood (i.e. no cypress/pine/fir).