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Plug Installation

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Make sure the plug is centered in the needle, then push the plug all the way through the tire, leaving a decent amount of the plug ends outside of the hole. Carefully depress the sliding collar on the needle to the tire tread surface as you pull the needle out. The tip of the needle is split and will spread to clear the plug as it's pulled free of the tire. The collar keeps the plug from coming out of the tire with the needle.