Found this at Harbor Freight yesterday:
http://www.harborfreight.com/headpho...ack-66976.html
$7
Bought it. Haven't tried any of them yet, don't know how they sound. The ear-hook ones look just like the Rio ones I like. Still want the in-ear-canal ear-hook Panasonics, or Acoustibuds for the ear-hook flat buds.