Originally Posted by
Giant Doofus
* Carry tissues in your pocket or somewhere easily accessible. Trust me.
Isn't that what the soft back of the thumb on your bike gloves is for?
Other option is the snot rocket.
On a more serious note - Never assume
1) you know what a driver will do
2) that a driver sees you
If you keep a defensive mindset it may help you avoid an accident caused by a careless driver.