another tube of caulk brad isdrab 9 years ago Added another tube of caulk to the horse skull mold doing thinner coats now, to strengthen the mold #art #cement #sculpture via Instagram http://ift.tt/2rhmak1 Share:Share this: Share on Facebook (Opens in new window) Facebook Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest easy face mold testhorse scullcasts