Ti Rod Tactical Key Ring Carry Door Knocker, Acupressure Device, Medicinal Pill Crusher, Emergency Tactical Use Tool Durable Aerospace Grade 5 Titanium Construction; Handcrafted In The USA With 1 YEAR Money Back Guarantee If Not Delighted! Practical Multi Purpose Use Tool; Door Knocker; Acupressure Device; Pill Crusher; Emergency Tactical Use Tool Compact EDC Size; Carry Attached Keys "In Hand" To And From Your Vehicle; Home; Workplace "Patent Pending" Single Motion Quick Release Carriage Deployment Ergonomic Handle; Invisibly Carried Within The Fist For Discreet Carry!