Appendages Drying Too Fast?
AUGUST 2000
Handles and other appendages which give trouble by drying too fast (and consequently crack) can have the drying process slowed down. Simply paint over the joints - or fine fiddly bits - with wax emulsion. This will retard drying and be burnt off in the first firing.
Courtesy COLLECTED WISDOM | 50 years of handy hints from the Ceramic Study Group, Australia