For those interested in discreet self-defense, a “tactical pen” which offers both protection as well as utility is a good choice. The “Strikepen” by Ape Survival was made to be robust and sturdy and has a Scientifically Tested Grip Pattern to make it easy to use regardless of which of its built-in tools you happen to be using at any given moment. The pen does indeed work perfectly well as a pen but offers many other unique features as well.