User blog comment:Mr.123/On the Lookout For.../@comment-26382736-20160112010408

Frederick Selous' hunting rifle - gives the user an over-zealous desire to hunt animals

Nathan Stubblefield's first wireless telephone - can access any telephone frequency, no matter where it is.

Juan Luis Vives' quill set - reduces the fanaticism of zealots to a middle ground. Mellows people's obsessions.