They appear to be in the shape of an oar, but are actually with meant to recall a ship's paddle, in honour of the motto of the City of Paris "Fluctuat nec mergitur" ("batted by the waves, but never capsized").
NEC | Negro Ensemble Company (NEC) | Nec | NEC PC-9801 | NEC (football club) | NEC V60 | NEC V25 | NEC Cup | Fluctuat nec mergitur |