Grammar Gumbo: Linchpin

And now for that silly part of your Sunday, where Granola Mom, teaches you a new word to use at church.

Linchpin

Definition:  a person or thing regarded as an essential or coordinating element

As Sue was sitting in front of the Starbucks drive-thru window, she despondently realized that having her iPhone Starbucks app linked to her Gold car was the linchpin to pay for her hot beverage, considering she lacked any other method of payment in her wallet.

Now it is your turn.  Use “linchpin” in a sentence.