If you're looking for ear protection try these: http://earplugstore.stores.yahoo.net/profmusearpl1.html?gclid=CKPI6-S24JwCFRHxDAodWDHGJQ
or http://www.musiciansfriend.com/navigation?q=ear+plugs

For a cheapo solution, use an old pair of earbuds. Cut off any unnecessary wire. And my brother-in-law still swears by a cotton ball.