Bought a very nice custom sculpt, but head is drilled too big for insert, anyone know what to use to fill sculpt just enough to add insert for hot toys body?
Rub some Vaseline on the ball socket, put a little hot glue in the head cavity then insert the ball. Once the hot glue sets, the ball will pull out (or trim if necessary) and it's a great fit with good tension without floppyness.