It's easy to catch onto what she's suggesting; Manabu nods and situates his knife more snugly under the top. While gripping the handle in one hand, his other counts:

One...

Two...

On three, he nods and brings his hand down with some extra oomph to pry open the top. Between the two of them, the old crate lid buckles and pops up, a portion of it splintering along the way. It's enough to clear it away and expose the insides...

Carvings...? Little figures, seemingly sculpted out of stone or metal. Tentacles curled together, eerie totems with an alien-like quality (but then, cephalopods have always looked alien).