Chewing gum

Chewing gum is a soft, cohesive substance intended for chewing, but not swallowing.

Season one
To free himself and the girls from the chains the Ghost of Redbeard had locked them in, Fred Jones used his chewing gum to stick together a long line of straws to reach the key.

Appearances

 * Scooby-Doo, Where Are You!
 * 114. Go Away Ghost Ship