Enjoyed magnetic cap.

The magnetic cap works great

The white cap attaches to either side of the pen magnetically (not super

The magnetic cap is great as it just slips onto the other end, and the magnet is really strong on both sides (as a bonus, playing with it while thinking is a great fidget activity, I'm finding).It comes with an extra disc attachment which is nice

The magnetic cap is a nice touch so as to not lose it

I love the magnetic cap because it just snaps on and prevents it from being lost