"Be Salty, Stay Lit"The 10 Year Anniversary Prayer Thumbprint Featuring "Be Salty, Stay Lit" A Prayer Thumbprint is a small handmade clay sculpture formed to rest in the users hand, curved for the thumb, and used to rub and focus on prayer. Each Prayer Thumbprint is individually hand crafted with care. It is no coincidence that there are so many mentions of the Master Potter and clay scattered throughout the Bible. But now, O Lord, you are our Father; we are the clay,