Clever Clogs Owls Clear Stamp A6 Designed by Cathie Shttleworth. Clear Stamps are easy to align for precise stamping they are great for making greeting cards or use on home décor projects. Versatile & easy to use simply attach to an acrylic block apply your ink & stamp. After use wash with warm soapy water & dry with a paper towel stick back onto the original film & store away for the next time. Clear stamps can be used over & over.