"Ship-trees" — term for Masts on ships
At first seeing the "Ship-trees", Rowl is eager to climb them. Bridget is less than thrilled by the idea for fear he might fall. While Predator is waiting in line to dock at the Habble Landing Shipyards, Rowl climbs the Masts and finds the view less exciting than he expected. Climbing down was not fun—he'll get a human to bring I'm down next time. 'Rowl gives Grimm his Cat name—"Grimm Ship-Trees.