This is maybe too obvious to even be worth the bother, but:
http://www.luminlay.com/productsen.html
2.5mm side dots, +
http://www.stewmac.com/shop/Fretting_supplies/Polishing_and_abrasives/Fingerboard_Guards.html?actn=100101&xst=3&xsr=5467
Stewie's "Fingerboard Guards" =

You may disregard all that masking tape humbuggery in the Luminlay installation instructions. :hello2:
http://www.luminlay.com/productsen.html
2.5mm side dots, +
http://www.stewmac.com/shop/Fretting_supplies/Polishing_and_abrasives/Fingerboard_Guards.html?actn=100101&xst=3&xsr=5467
Stewie's "Fingerboard Guards" =

You may disregard all that masking tape humbuggery in the Luminlay installation instructions. :hello2: