How can you tell snail tracks from slug tracks? While your typical garden slug leaves a continuous trail of slime in its wake, snails leaves more of a dotted line, since they move forward in an up-and-down fashion, kind of like an inchworm.
DID YOU KNOW? Marlon Brando hated memorizing lines so much that he posted cue cards everywhere to help him get through scenes.
He even asked for lines to be written on an actress's posterior. (That request was denied.)