Misc: Part of body that Roland the Thompson Gunner loses midway in a song?

Questions

'pin', 'fork', and 'skewer' used?

In which sport or game is the term 'rook' used?

Name the only flexible murder weapon in the game of 'Cluedo'?

Name the only woman suspect in the game of 'Cluedo' who isn't married?

These are the two highest valued letters in 'Scrabble'. 'Q' and ?