Bianca Herbst of South Africa shows her smiley face mask and "no handshake" button at …

Bianca Herbst of South Africa shows her smiley face mask and "no handshake" button at the ConExpo-Con/Ag 2020 at the Las Vegas Convention Center Tuesday, March 10, 2020. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto