lí-pò͘裡布

cloth placed underneath while sewing

cloth placed underneath while sewing (such as underneath collars, trouser waists, shoulder, etc.)

English Wiktionary, “裡布” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%A3%A1%E5%B8%83 · confidence: Medium (Wiktionary)