The Travel Wrench is a devastatingly effective yet low profile non-lethal force tool for personal protection and when ordered today comes with a "Free Carry Clip" (a $5.00 Free Bonus!) The Travel Wrench is a devastatingly effective yet low profile non-lethal force tool for personal protection. The Travel Wrench is a revolutionary training tool and instructional system designed by Kelly Worden that compliments while improving tactical efficiency with any tactical implement!