Right, but it's common sense... that's what a tower shield would do.
It's not, however, common sense to designate a "Facing" sub-rule into a system that has no other instances of "Facing".
There is the moral of all human tales;
'Tis but the same rehearsal of the past.
First freedom and then Glory - when that fails,
Wealth, vice, corruption - barbarism at last.
And History, with all her volumes vast,
Hath but one page...