appearance barrier closed confine confined connect connected connections contained control controlled door electronic fingered fingers fixed keyless keypad link linked links lock locked locked-door memorised memorized memory modern numeric protect protection protective safety sealed secure secured security shut solid technological technology aroma Asia Buddha's-hand citron-variety citrus citrus-medica-var.-sarcodactylis cultivars decorative exquisite-form finger-like-sections fingered-citron flavoring flavouring form fragrant fruit juiceless lemon multi-spiked-lemon-fruit open-fingers ornamental perfumery perfuming-rooms-wardrobes pointed points pulpless rind Segmented skin spiked spikes spiky strange symbolic symbolism unusual unusually-shaped-citron variations variety yellow zest