Tengu Enterprises is offering Klear Advantage Micro-thin overlays for Apple’s Powerbook G4 and iBook. The transparent overlays, which were originally designed to withstand the high temperatures produced by the Powerbook G4, protect the palm rest areas of the PowerBook or iBook from scratches, scrapes, nicks and paint discoloration. A one year supply (12 overlays) Klear Advantage Micro-thin clear overlays sells for US$27.85.