"Found this in my pocket. Probably nothing but no idea how it got in there"
A: "It’s definitely something with a Luer lock (which is most often used on, as others have said, IV cannulae, hypodermic needles). They also get used for things like filling printer ink."
#11... And ..... I am no wiser. WTF is a crab water dropper???
Blanc de Chine porcelain water dropper dated to c.1640 see : Exhibition of Blanc de Chine (S.Marchant & Son, London, 1985)
Offered and sold at £12,000.
https://img.bestdealplus.com/ae04/kf/HTB1f9gpAVGWBuNjy0Fbq6z4sXXa8.jpg