Billy was a mucker, a hoodlum, a gangster, a thug, a tough.
The mucker, the ladder and even the batteries on the miner's belts are authentic.
They take their name from the word mucker, a colloquialism meaning "good friend".
Sometimes grinder is used in combination with mucker to describe a player as a "mucker and a grinder", although it is used as emphasis.
Commentators remarked on his ability in the series to switch from being a goal scorer to a mucker and grinder.
It has been speculated that, during the course of work, one of the mucker's shovels may have struck the dynamite, detonating it.
In this context, mucker is largely synonymous with grinder.
Certain types can also be known as muckers or fishing boots.