Sleeve face is: "one or more persons obscuring or augmenting any part of their body or bodies with record sleeves causing an illusion". In other words, holding a record sleeve infront of your face an pretending you are Ted Nugent (for example). See here:
www.sleeveface.com
There are a few examples up with more to come. Please, dig into your record collections, have lark, take some pics and submit them to:
submit@sleeveface.com
Or post them here...or do both.
Get creative! GO GO GO.