My lovely wife got me a set of four port sippers for my birthday recently. One of my brothers got me a bottle of a good vintage port, and I still have a vintage bottle from a friend's wedding where I was best man. All I need now is a decanter and I'm go go go for a port party!
I've been wanting some of these sippers for years, since using some at a friend's house, but never actually finding them anywhere (internet or real world). It seems they're now freshly available and easy to find. They are delicate little handmade glass items, the idea being that you drink through the built-in straw, hence taking the liquid from the bottom rather than the top. Which is apparently a good thing, helping to "avoid oxidisation and improve taste". Apart from that they're just neat little things that are out of the ordinary.