Complex sentence: Unofficial rules require the wearing of a "dealing hat" when dealing (usually a Fez) alternatively a'dealing duck' may be placed in front of the dealer and referring to the Ace of Spades as the Death Card, regardless of trump.
Split into simpler sentences: Unofficial rules require the wearing of a "dealing hat". When dealing (usually a Fez) alternatively, a'dealing duck' may be placed in front of the dealer referring to the Ace of Spades as the Death Card, regardless of trump.