“The Fret Polishing System from Frtlzr is just fantastic. I can glide better on the frets directly after the fret polish without getting stuck when I want to play a certain guitar lick.”

— Denis B.

“I am not only convinced about the better feeling of the guitar, but also the ergonomy of the tool”

— Peter K.

“It feels like playing with lighter strings after using Frtlzr”

— Chris V.

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