...customers stand in lengthy lines waiting to get their purchases emblazoned with names, messages and other missives. Marcella Picciolo spends her days bent over a Plexiglas box engraving Confederate battle flags, bears, bucks and baseball players...

...from the pride they take in their craftsmanship, say some exhibitors. "There isn't room for mistakes," said Marcella Picciolo of Loxahatchee, Fla. She and her husband, Vince, sell hand-engraved knives with mostly animal motifs they engrave...