Josh Knapp with WANTYNU sent me this Palm O2 Wrench to test/review. He did not pay me for this review. In the video I share my opinions on the wrench as far as functionality as a tool, and possible improvised weapon for self-defense.
Improvised Weapon: Palm O2 Wrench (Review) from DT4EMS (Kip Teitsort) on Vimeo.