ThinkGeek has some handy, credit-card sized tools that you can carry with you in your wallet. These wallet tools are made of stainless steel, and as ThinkGeek says, are “perfect for your inner MacGyver.” ThinkGeek has the hex-head spanner wrench for metric bolts 6-14 mm, guitar plectrums, ice scraper, and a bottle opener. Prices are $6.99 for the ice scraper, $9.99 for each of the others.
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