This signifies the video format (Audio Video Interleave), which was standard for PC video in the 2000s.
The filename you’ve mentioned, is a digital artifact that traces back to a very specific, and often controversial, era of the social internet: the mid-to-late 2000s live-streaming boom. i--- Stickam Caseyface Crozennn 0.avi.rar
To understand what this file represents, one has to look back at the rise and fall of , the culture of "camgirls" and "e-celebs," and the archival nature of the internet. The Stickam Era (2005–2013) This signifies the video format (Audio Video Interleave),