https://stream.echo6.co/videos/watch/c5aae70b-af4a-41b1-8ac9-d15bf3f3c8b0 I'll be the first to point out that this video can not take the place of a proper locksmithing course. While we get into this topic in our Red Team Alliance training classes from time to time, learning the ins and outs of all kind of master-keyed systems is quite an endeavor. However... this video can hopefully serve as a small teaser that may whet your appetite for this kind of knowledge! If you have a need to allow multiple people access with a specific lock, master-keying (even in a residential environment) could be the solution. this is my personal web site. most things i create wind up online... https://deviating.net this is my company. we're good at stuff... https://enterthecore.net this is where i train. come and learn badass skills... https://redteamalliance.com Andy Tait, the creator of the PCB version of my Devious Decoder Card, is here on YouTube... https://www.youtube.com/user/TheRasteri/videos Fri, 17 Apr 2026 08:44:43 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/c5aae70b-af4a-41b1-8ac9-d15bf3f3c8b0 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.