Rubber bladed swords and guns may be used by stuntmen or actors where the action does not require detailed or functional weapons, in order to minimise risk. SAN MATEO, Calif.–(BUSINESS WIRE)–Visitors to Maker Faire Bay Area, a massive gathering of makers, crafters, tinkerers, and artisans from all walks of life, green lantern costume may notice a tool popping up again and again. Cups, plates or vases may be made from bisque or wax.