Use table knife to make small hole in center of each foil square. (jovinacooksitalian.com)
Cut in firm butter using pastry blender (or pulling 2 table knives through ingredients in opposite directions), until mixture particles resemble fine crumbs. (ahintofhoney.com)
Dip a palette knife (or just a regular table knife) into the hot water, hold it there for a few seconds until it is hot, and then run it around the edge of one half of an egg, melting the chocolate rim. (deliciouslyella.com)