Use the SLINGSHOT to get the COCONUT (I).
Enter the ship.
Use the COCONUT on the saw to get the COCONUT MILK (J).
Give the COCONUT MILT to Gregory (K).
Take the 2nd LOCK PART (L).
Enter the ship and select the cabinet mini-game.
Place the 2 LOCK PARTS on the board.
Slide the pieces to the spots with the same shape and gems (M).