Apply a third, unpigmented coat of Rebound™ 25 to the model. Then apply a fourth and final coat of pigmented Rebound™ to the model. Locate the “placeholder” bolts and cut away the mold rubber to expose them.
Use needle nose pliers to remove the spacers from the clay and rubber mold. Apply Ease Release® 200 to a pair of 5 inch long machine bolts to reinserted into the clay ports that were created by the placeholders.