By A Mystery Man Writer
File:JRE series255 moha254-2 seat.jpg - Wikipedia
File:MIG-15UTI-hatzerim-2.jpg - Wikipedia
Tandem bicycle - Wikipedia
Boneyard Safari - The Heinkel He 219 Uhu, a two seat, twin
Bristol F.2 Fighter - Wikipedia
Ejection seat - Wikipedia
Double Seat - Alchetron, The Free Social Encyclopedia
SEAT Toledo - Wikipedia
Double-decker bus - Wikipedia
Saddle seat - Wikipedia
Alvis Car and Engineering Company