A magnetic pole looks like it migrates over geologic time. It doesn't — the continent drifts beneath a fixed field. Each sediment band freezes the direction it read when it settled; reading them in order reconstructs the apparent path the pole traced.
Drag the pole (right disc). Every couple of seconds the core (left) deposits a fresh band recording where the pole sits now. The connected dots are the wander path — oldest deep, newest at the rim. Click to deposit at once.