《太平广记·卷二百七十七·梦二》
又派人到禁苑搜寻，见到了一个把门的，穿着带裆的红裤子，便被领来见皇帝。
又于苑中搜访，见一掌关，着绯褌，便引见。
Another search party was dispatched to the imperial park and found a gatekeeper wearing red pants with a crotch piece. He was brought forth to see the Emperor.