Photo 1 of Sharper Image® Powerboost Hot + Cold Dual-Temperature Attachment - Instant Heat & Cold, 6 Temperature Levels, Compatible with Powerboost Massage Guns, Black

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Photo 1 of Sharper Image® Powerboost Hot + Cold Dual-Temperature Attachment - Instant Heat & Cold, 6 Temperature Levels, Compatible with Powerboost Massage Guns, BlackPhoto 2 of Sharper Image® Powerboost Hot + Cold Dual-Temperature Attachment - Instant Heat & Cold, 6 Temperature Levels, Compatible with Powerboost Massage Guns, BlackPhoto 3 of Sharper Image® Powerboost Hot + Cold Dual-Temperature Attachment - Instant Heat & Cold, 6 Temperature Levels, Compatible with Powerboost Massage Guns, Black