Here is a goal: To make a magnetic clasp for the wooden wallet,

Which way makes more sense to accomplish this goal?

Select from the following. 1). take two magnetic strips and glue each side to the interior back and the interior of the flap. Make sure that the magnetic strips align when closed. 2). take two magnetic strips and glue each side to the exterior back and the exterior of the flap. Make sure that the magnetic strips align when closed.
1).