Accept this quest by speaking to Lutemis at the Furtniture Store in Spino. She will tell you she has an interest in Picchi furniture, and asks you to go to Picchi Village and find a furniture expert ...

Drive to the quest marked Grotto in the southern Maphin Region in Sand Land. You can reach this by warping to the S. Frontier Radio Tower, then heading west. When you arrive, speak to the NPCs waiting ...