There are very few geocaches you want to visit again and again. This is one of those caches. Gawler Fort Knox was published on 3rd May 2015. In the short time since publication the cache has acquired 379 finds logged, being awarded a massive 250 Favourite Points. Note that this post does contain spoilers!
If you open up a Freddo cache page you will always find a hint but you may find the hint is pretty obscure or cryptic. So here is a cheat sheet for a few of the more common Freddo Hints. And some less common.