Keep away from the gutter
MUST
Keep your hands on the brakes
MUST
ride in a double lane
MUSTN'T
check your wheels
MUST
show drivers where you are going
MUST
take kids in a basket
MUSTN'T
use a lock to protect your bike
MUST
wear a safety vest
MUST
listen to music
MUSTN'T
wear a helmet
MUST
use a light
MUST
brake abruptly
MUSTN'T