Ah, but add this tool (featured on Craft a Craft), and the list grows even more, perhaps especially for boats. Because with this tool and an old coat hanger, you can make a hose clamp, custom-sized to the application.
Well, OK, you really should use the stainless wire that ClampTite sells - it *is* stainless, and it is specially selected to work with the tool. But in a pinch, you really could use a coat hanger.
Now there's another thing I need to have onboard Eolian.