Wuss-ter? you’re a wuss! 
Who ever decided you should pronounce it that way?
It’s like Leicester… Lay-sess-ter, right? (Or even Lay-chess-ter or Lay-kess-ter)
Wrong! Less-ter or something like that, apparently…
If they weren’t on the sport news for having won something in football last year, I would never have known.
Is it like Lace? Lace-ster?