Дискомфортные ощущения поможет снять полоска шерстяной материи шириной примерно семь сантиметров.

English Translation

Discomfortable sensations will help to remove a strip of woolen cloth about seven centimeters wide.

Is полоска declined properly here? I would think it would be in the accusative. I think I found this sentence on Reverso Context.