IS that why you keep a mylar/ metallic bag in your center console?If they are following you, don't go home... Pull battery from your phone if you can... or put it in a faraday cage bag (don't you carry one?) Then let your pursuer follow you to some out-of-the-way place you have pre-selected. And then you may have your way with them.
Faraday bags should be in every car today!
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portable call phone blocking bag