Caulk Plugs. Tired of trying — and failing — to seal the ends of your half-used caulk tubes with tape or a nail? Consider using Twist-n-Seal Caulk Tube Plugs instead. These reusable plastic plugs screw into caulk tips, adhesive tubes, and expanding spray-foam straws and seal tight. A package of five costs $3. Rapid Pro Mfg. , 970/535-0550. www.twistnseal.com

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