in addition to mouth anus, and mouth nose, there is also a nose eye connection (as with nose for left and right hole respectively). Depending how broken your eardrums are these would be further connections. So def. more than a donut.
in addition to mouth anus, and mouth nose, there is also a nose eye connection (as with nose for left and right hole respectively). Depending how broken your eardrums are these would be further connections. So def. more than a donut.
Nowadays there are no thermal expansion joints, the rails are welded. Any thunk thunk left is at switches.