How to create a Gelatin Prosthetic (sculpt, mold, cast)

Today we are going to create a Zombie/Monster gelatin prosthetic. Materials you can use: Clay:=sr_1_cc_8?s=aps&ie=UTF8&qid=1467402177&sr=1-8-catcorr&keywords=monster clay Plaster: =pd_sim_201_2?ie=UTF8&dpID=41rYFLS1moL&dpSrc=sims&preST=_AC_UL160_SR160,160_&psc=1&refRID=NWVMCFQ4AX4K6YWQA5FQ Glycerin: =sr_1_3_a_it?ie=UTF8&qid=1467401789&sr=8-3&keywords=glycerin Gelatin: =sr_1_7_s_it?s=grocery&ie=UTF8&qid=1467401918&sr=1-7&keywords=gelatin