Home Brain Teasers Brain Teaser – July 15 Brain Teasers Brain Teaser – July 15 By Medical News Bulletin - July 15, 2018 Doctor Johnson owns a pocket knife with five different tools. It has a corkscrew, a bottle opener, tweezers, a screwdriver, and one other tool. What is it? See the answer Answer: Knife Facebook Comments RELATED ARTICLESMORE FROM AUTHOR Brain Teaser – February 25 Brain Teaser – February 22 Brain Teaser – February 18 Connect With Us * Indicates Required Your Name Email Address* Be the first to know about the latest medical and health research. Subscribe to our weekly newsletter.