<https://retrorust.com/you-cannot-propel-yourself-forward-by-patting-yourself-on-the-back-funny-metal-sign/>
<http://schema.org/image>
<https://cdn11.bigcommerce.com/s-hpyng5wh/images/stencil/1280x1280/products/328198/1294032/DV25786__93830.1685575317.jpg?c=2>
<https://retrorust.com/you-cannot-propel-yourself-forward-by-patting-yourself-on-the-back-funny-metal-sign/>