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What is "The Jammer"

The Jammer is a simple and cost effective device designed to keep a door from closing.

  • High visibility yellow allows you to mark a room.

  • Fits easily in a shirt pocket, service vest or helmet.

  • Quickly identifies the door you've entered.

  • Allows your backup to locate you.

  • No need to bend over to set a wedge

  • Custom colors and printing available

  • Proudly made in the U.S.A.

How To Use The Jammer