David Chapman Retweeted David Chapman
Thanks for the many (correct!) answers! Really glad to know; I’ve been wondering this for a few years.
Apparently they have several names; “survey marking whiskers” is one. They also have multiple functions, sometimes signified with different colors.
https://twitter.com/Meaningness/status/1137470877010784257 …
David Chapman added,
4:00 PM - 8 Jun 2019
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