My ho head halls

• Howth Head, the island 'head-of-the-giant' where the river Liffey finishes, in Dublin Bay, vd. [1]

This may suggest that not only the washerwomen turn into tree and stone, but also into Finn's (or HCE's) head and something else that I humbly investigate in the 'Dark hawks hear us' entrance, juste à coté: [2]