《仪礼·公食大夫礼》
国君允许，主宾登堂，国君拱手行礼，退到东厢，摈者退回，背对东塾站立。
公许，宾升，公揖退于箱。摈者退，负东塾而立。
The monarch agreed, the host and the guest ascended the hall, the monarch clasped hands in salutation, retreated to the east side room, and the Pin retreated to stand with their back to the east study.