A recent change in TF2 bans the use of custom player attachments.

After talking with Robin (Valve) regarding the attachments policy, their goal was solely to protect their content, they were not out to break custom content, but they didn't like some plug-ins that were out there that were giving away all of their more rare content (hats) to everyone.

They want some of their content to be rare and valued, and if everybody has instant access to whatever they add, the value of it is diminished. I've made some suggestions along the line of protecting just their content, while allowing custom content through.

Previously enabling access to valves official wearable's was as simple as dropping in a SourceMod plug-in onto the server and bam, everything's available. I'm hoping they consider the approach of simply protecting their stuff and letting everything else through, I believe that way it will be a win-win.

I have also released a server-side patch (with permission of course) for the wearable's that plug-ins can take advantage of, for legitimate use of attachments, Valves official content can't be used, but at least those modifications that relied on attachments can be fixed if they jump through some hoops. The patch is available on AlliedMods.net

Thanks for all of the support, we're over 2,000 signatures on the official signature page!