I use parma fasmask, i get the 16oz bottles, open it up and top it up with a little water to thin it up , give it a shake, leave it at room temp for a hour or so the wash the body , dry it and then just pour it into the shell , swill it around to cover the body, tip excess into funnel and leave to run off excess for 15-30mins then leave it to dry over night and hey presto corresct thickness luvely jubbley
