Product review (4 stars): Gets the job done.
I inherited a very old (but perfectly fine) Matag washing machine. It shakes and rattles (but doesn't roll). During an internet search as to the best remedy, I came across these feet. In a phrase? They work. I'd say they've cut down on 98% of the excessive noise. Any gripe I would have solely  focuses on price. Ten bucks for each one seems a bit steep considering their competitors are around Fifty percent cheaper (albeit not the same patented technology or carry the price tag of a brand new washer).