You Shall Not Pass Stamp For Geeky Teachers...
Show your students some geek love with this clever custom made "You Shall Not Pass" stamp, which features a mini-Gandalf icon next to the words, just in case they're unsure about the origin of this quote. It's a fun way...
https://www.neatorama.com/2012/02/25/you-shall-not-pass-stamp-for-geeky-teachers/
