Vibrating Hand-held Peeler

If it's good enough for Gillette it ought to be plenty good enough for your potatoes.

From the website:

Leifheit Swingo Power Peeler

Cuts, peels and garnishes with minimum waste.

With a swinging head and an ergonomically engineered grip for comfort, the Swingo Power Peeler permits precise peeling.

Includes straight blade, serrated blade, protective blade covers, potato eye feature and 2 AA batteries.

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$19.99 (potatoes not included).