Where to find the three thingies in 'Perfect Bog Fondue' in Mouse: P.I. For Hire

You'll receive the Mouse: P.I. For Hire "Perfect Bog Fondue" side job from John Brown, the publican at the Little & Big Bar, after completing the "Saltwater Cambozo" main job. John explains he wants the recipe, and you can only get it from the Old Cheeselegger at the Far Wetlands, which is where the "Damp Evidence" main job takes place. However, when you reach the Old Cheeselegger, he wants three of "them thingies" before he'll give you the recipe. Here's where to find all three thingies in Mouse: P.I. For Hire, and also where to find Old Cheeselegger at the end of the level to complete the job. The first one of "them thingies" is very close to the beaten track, so you don't have to stray far to get it. After you speak with Old Cheeselegger, kill all the enemies in your way to the east, then head back into the mines via the open gate with the "falling rocks!" sign and an arrow pointing up to your right in front of you. Pull the switch for the elevator, then watch as rocks fall. Use the wooden platform to the left of the switch to jump over to the other platform below, where the magnifying glass indicator is telling you to go. Rather than turning back around to jump again, follow th