Just one of those random facts I was unaware of (emphasis mine):
The caber toss is a traditional Scottish athletic event practised at the Scottish Highland Games involving the tossing of a large wooden pole called a caber, similar to a telephone pole or power pole. It is said to have developed from the need to toss logs across narrow chasms to cross them. – Wikipedia
Did everyone carry their own personal bridge back then, or was there a fellow, the caber-man, who came around to a special whistle and chucked his timber across stymieing streams?
This strikes me as a rationalization for something a muscled Scotsman actually originated with the statement “Hey, watch this!”