How do I solve 1 across in Express Cryptic 20260612?

Question

Accepted Answer

1 across reads "Complicated problem useful for angler" (3,2,5 letters); the answer is CAN OF WORMS. It's a double-definition clue: two separate definitions of the same word sit side by side. No wordplay split and no indicators — both halves of the clue define the answer. The full step-by-step breakdown is on this page.

Complicated problem useful for angler (3,2,5)

1A — Complicated problem useful for angler (3,2,5) — CAN OF WORMS