The 21/64 tools and materials used in presentations and facilitations were made possible by generous funders who invested in education for the field. Tools are available on our website for purchase and all other material used is exclusively owned by 21/64 and subject to copyrights owned by 21/64. Any use, including but not limited to, the reproduction, retransmission, or republication in any form of all or part of any 21/64 materials is expressly prohibited unless 21/64 has explicitly granted its prior written consent. 21/64 reserves all rights and claims available to it, including its ability to take legal action to enforce its intellectual property rights.