thread because they are tiny?
because they are full of beans?
permalink as with everything, there as a naval origin
the original servers were made from discarded submarine batteries, these are referred to by sailors as 'tins' after David Bowie's Tin Machine concept album that made liberal use of submariners and their stored electricity.
permalink obvs.
.
permalink This sounds surprisingly like the real reason that the travelling wilburys
got their name.