Up in the rigging

High in the rigging of Blackheart's ship, something lies on a spar far out to the left, out of reach of any jump.
Nudge 1Where to look
There are hooks under the yards. You've swung from one before.
What you needOther problems to solve first
Solve these first (each opens its own page, no answers on the way):
Show the solutionThe whole answer, with a video
With the rope, stand on the crossbar of the first mast under its hook and press B: Dizzy swings out and lands on the spar. Pick up the portcullis winch wheel: it's for the trolls' castle (The archery on Castle Street).