Sandwich board
01
サンドイッチボード, 携帯用広告看板
a type of advertising sign consisting of two boards, worn one on the front and one on the back of a person, often used to promote a business or event
例
The sandwich board outside the bookstore had a quote from a famous author.
書店の外のサンドイッチボードには有名な作家の引用が書かれていた。
