Connect cardboard as simply as righty tighty, lefty loosey. For use with the Makedo SCRU and SCRU+. How to use the SCRU-DRIVER: Simply punch a hole through the material, insert the Makedo SCRU or SCRU+ into the socket on the end of the SCRU-DRIVER, and then with a few quick turns the cardboard will be securely joined. Check out our Brand Library for sales, marketing and customer engagement resources: https://go.make.do/library