My old man was a railway freak when he was alive - and I suspect the crab you are referring to is the steam engine of that name which can be found in Bury...
Quite right. One of three left, 42765 is called a crab because the pistons are at an angle so it feels like it waddles along the track like a crab. Over to you, BB.
Against which team, no longer in the Football League, have Watford played over 70 times but have a goal difference of precisely zero after all those games?