If you're ever stuck in the game, then you can use the bacon Ford Cruller gave you to ask for hints.
but if you really wantt to know:
You have to get his red dangly thing stuck to the shells (you know they close, right?), it's kind of tricky, but once you get how to do it it's easy
Also, use [spoiler] tags.
As for your discovery, there are indeed many ways to solve the problems in the game.