message type (Tag 35) specifically configured for a network named Crushworld-Net to handle or resolve issues related to small packet congestion (Mice) MsgType field – FIX 5.0 – FIX Dictionary - OnixS
To recap:
The phrase appears to be a technical or archival reference to content from Crushworld.net , a notorious and now-defunct website that became a central point of international controversy in the mid-2000s for hosting "animal crush" videos. Crushworld-Net Mice Crush 5 Fix.35
: Producing, selling, or distributing this content is illegal in many jurisdictions. For example, in the United States, the Animal Crush Video Prohibition Act of 2010 criminalizes the creation and distribution of such material. Potential Security Risks message type (Tag 35) specifically configured for a