He's just a little guy!

I think you could do it once you understand how the symbols go. There's usually one or two stops on a solid trail. If you see the words On In in front of a bar, you've found the right place!

2) it's like a scavenger hunt where the prize is beer/alcohol. The Wikipedia page has a chart of all their symbols. I hope this solves your mystery, I'm intrigued 👀
en.m.wikipedia.org/wiki/Hash_Ho...

1) So I potentially have the answer to this! There's a running group known as hashers or hashing where a group of people get together and run a course determined by a couple of people who mark the trail with either chalk or flour symbols that tell them where to go.