Get Paid for Creating Cognitive Dissonance

Find one seriously disturbing feature from this picture.

"Hold stick near centre of its length. Moisten pointed end in mouth. Insert in tooth space, blunt end next to gum. Use gentle in-out motion."

"It seemed to me," said Wonko the Sane, "that any civilization that had so far lost its head as to include a set of detailed instructions for us in a packet of toothpicks was no longer a civilization in which I could live and stay sane."

Now for the answer to the lemon mystery...