a. If you want to strengthen your model and avoid risk of cracking then you can use cotton cloth/metal or plastic net under the layer of model or you can also mix Jute/cotton/Paper pulp with clay.
b. If you want to be your model light in weight then you can use wrapped aluminum foil with your wire-frame.
c. You can soften some clay and put in to new syringe or you can use Clay Gun available in market then use it to make sharp edges and hairs.
d. Off your fan if Clay is drying soon.
e. If clay is drying soon then mix/paint some medium (water, oil,) on model, which suits for clay.
f. When you stop sculpt and leaving reaming work for next time then preserve your model by covering in plastic or wet cloth this will leave your model moist for work in future.
g. Texture Roller will give more neat details to your model.
