Provided among other things is method of forming texture on an outer surface of an polymer layer of an article, comprising: applying a latex of polymer particles to (a) a support element of the article or (b) a former, to form an polymer layer; applying to the polymer layer discrete particles of carbonic salt so that they embed into the outer surface and gel elastomer adjacent to the carbonic salt; removing the carbonic salt with an aqueous wash; and curing the polymer layer.