i've read somewhere in zth that someone use that kind of wiper - lifetime warranty - cost abt RM100+ per piece. but still experiencing wiper prob - squeaky sound/skipping/etc even after change for 3 times.
actually i oso had the same prob. at first i tot my wiper out already, then change new. after a few days, not smooth, squeaky & skipping. i tot becos of cheap wiper. buy another more expensive one. but still the same after few days. even when heavy rain, the skipping & annoying sound became worst.
first i try use power window liquid (that u put on the rubber to make the windows move smoother). reduce a bit the prob. bit still there. then i try apply some tyre protectant/shine liquid (mine brand permaglass-foam type). so far no more wiper skip or annoying sound (yet). hev been 3-4 days since i put the foam. so far seem ok lor.