Oi oi!? Lol
A saveloy is a type of sausage popular in northern England. It is most like a big red rubber skin hotdog made of turkey and snouts. Best thing to have draped across a good tray of chips! They are slowly cooked in hot water as not to burst the red skin. But my localish chippy fries them and they go crispy..dude..so good.
Oh man its good! Google it and find some!
Ahem..my obesity aside, I think full serrated would be worth looking into.