Mohenjo-daro: Seal: M-1186 a: Sayid Ghulam Mustafa Shah and Asko Parpola, 1991: Corpus of Indus Seals and Inscriptions: Volume 2: Page 139: Collections in Pakistan: Suomalainen Tiedeakatemia.
In Indus inscriptions, this sign is associated with coracles.
Paddle: Lynn Fawcett, 2017.