Vinyl rope, magnets, large nails. What's the connection?

Send your answer by noon ET Tuesday to newsquiz@slate.com.

Wednesday's Question (No. 285)--"Sir, Counterintuitive, Sir!":

Secretary of the Army Louis Caldera has announced a plan that will put more guns in American high schools. What is this program called?

"Puberty."--Alison Rogers

"Take Your Father to School Day."--Norm Oder

"Project Louie Caldera's Kid Gets an A in Math or Else!"--Erich Van Dussen

"Coca-Cola and the U.S. Army Present 'Shoot a Pepsi Drinker and Win a Guest Spot on Dawson's Creek' Contest."--Charlie Glassenberg

"Whatever, just so long as they're not singing 'Mony Mony.' "--Colleen Werthmann

Click for more answers.