When children walk into Zuma, a gift shop on Highway 1 specializing in arts and crafts, parents often caution them not to touch the fluffy white llamas and alluring wooden flutes. But Melanie Stone, an Inverness resident who opened Zuma nearly three decades ago, gently pushes back on such parental concerns. She loves to see locals and visitors interact with the pieces she hand-selects from all over the world. 

Ms. Stone first moved to West…