Steel Key CacheWhy It Made The List A sleek, precision crafted example of premium everyday carry. As with all their hardware, this key cache is expertly machined from aerospace grade metal, to a fine degree of accuracy. The unscrewable compartment is hermetically sealed to keep your contents safe and dry, whether its emergency cash or a note for anyone who finds your keys. Its minimalistic design is timeless, with tactile, textured patterning you'll want to play