In reference to the patent: US20160288972
the following links we believe show proof of prior art: http://survco.com/credit-card-ax/
http://www.sparrowslockpicks.com/product_p/ccard.htm
https://store.itstactical.com/its-entry-card.html
http://www.knifecountryusa.com/store/manufacturer/879/touch-of-ginger.html These are just a few we have many more that we have found.