One or Two Porter Key Knives and Bottle Openers from Everyman (Up to 48% Off

Porter Key Knife

Value Discount You Save
$21 33% $7
Give as a Gift
Limited quantity available
Over 20 bought

In a Nutshell

An easy-to-carry key-shaped knife and bottle opener, made of stainless steel

The Fine Print

Promotional value expires 120 days after purchase. Amount paid never expires. Limit 1 per person, may buy 1 additional as gift. Valid only for option purchased. Email info@everyman.us for shipping info. Use code to direct to website for shipping option. Additional shipping fee of $3.50. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

After purchasing this deal, you will need to visit the website listed on your Groupon voucher to complete redemption.


Two Options Available:

  • $14 for one porter key knife and bottle opener ($21 value)
  • $22 for two porter key knives and bottle openers ($42 value)

Oxidation: Iron’s Greatest Weakness

A car wash can do wonders for your vehicle’s self-esteem, but it can also help protect your investment. Learn how to keep your car in one gleaming piece with Groupon’s study of oxidation.

A tiny nick in a car’s paint job is a little like a lit fuse on a stick of dynamite. Over time, both can blow a hole in the side of your car. Though a piece of exposed steel isn’t as dramatic as a flaming fuse, both undergo oxygen-fueled chemical reactions. In the case of the chipped paint, the destructive culprit is oxidation, better known as rust. This reddish-brown compound is actually iron oxide, the product of iron’s exposure to oxygen and water. (Since car frames are usually made of steel, an iron alloy, they’re naturally vulnerable.) If left to its own devices, oxidation will transform more and more of the metal into this much weaker substance, prone to crumbling and erosion. The addition of salt to the chemical equation—whether from seawater, road buildup, or an overzealous drive-thru attendant—only accelerates the process.

A simple coat of paint is enough to form a barrier between the car’s frame and the invading moisture and oxygen of the surrounding environment, but little scrapes and scratches tend to befall even the most careful driver—and then there are all the parts beneath your car that don’t get the benefit of a paint job. The best way to thwart oxidation is to wash your car regularly, since even a thin layer of dirt can trap moisture close to the car’s undercarriage and spur rust. Applying a coat of wax before the year’s first snowfall will help protect the car’s exterior, and a thorough rinse of the undercarriage in the spring will clear out any salty build-up and snowman eggs. Spring is also a good time to thoroughly clean your floor mats to thwart oxidation that might rot your ride from the inside out.

Customer Reviews

Great website. Classy chic cool
Dave C. · July 11, 2016
Merchant Location Map
  1. 1

    Porter Key Knife

    27111 Aliso Creek Rd #195, Aliso Viejo, CA 92656

    Aliso Viejo, CA 92656

    Get Directions

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.
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