A spool of thread, as used for sewing. Thread color varies across platforms, though often depicted in red or blue and on a wooden spool. Sometimes shown with an end unraveling.
Commonly used for various content concerning sewing, knitting, arts and crafts, clothing and fashion, and metaphorical threads (e.g., a discussion thread online).
WhatsApp and Microsoft's designs includes a needle.
Thread was approved as part of Unicode 11.0 in 2018 under the name “Spool of Thread” and added to Emoji 11.0 in 2018.
U+1F9F5
? Spool of thread