The Onion design was used as an oil or candle lamp in ship's passageways and holds. Now used at doorways, on a post or hanging ( see wall or hanging category for those) and sends light all around and down to light steps. The special optic glass sends light out in elegant stripes. Available in side post mount by request at no additional cost. Please see The Seeded Onion and The Optic Onion for different glass. For help please call us at 800-606-1612.