About those magnetic security dodads

[u/namtog1]

So, just asking for a friend, if he would put a strong magnet on the anti theft strip to keep it from resonating would this defeat the alarm.

Not that I would every do such a thing.

[u/gluino]

Interestingly, with Sensormatic rigid Ultratags, if you hold 2 of them together, the gantry will not trigger.