Originally Posted by
devianb
Every bicycle I have had in the past 6 years has had tire liners. On my old Diamond Back the nipples stuck out a little bit so if I ran a really high tire pressure without a liner the inner tube would occasionally pinch the sharp edge of the nipple and get develop a small hole. On the newer wheel sets I have the nipples are either much smoother or recessed a bit so that it is not a problem. I use the tire liner for a little extra security though.
I think you're confusing tire liners with rim tape.
Rim tape fits between the rim and the inner tube.
Tire liners fit between the inner tube and the tire.
No matter how smooth your nipples are, every spoked bike rim with an innertube should have a rim strip, regardless of pressure.