What is the safest thing to wear on your head when on a Douglas? - bucket, cap, banana, scarf, helmet, hair, beanie, tophat, handkerchief, mortarboard, turban:

What does the throttle control on a Douglas? - speed, brake, seat, temperature, oil level, luggage, signals, tyres, suspension, mirrors:

Which device helps you see behind on a Douglas? - photograph, painting, mirror, tank, stick, exhaust, brake, chain, forks, tyre: