How many times have you sealed an envelope that matches perfectly with that special greeting card—and then realized that you forgot to enclose something? Don’t ruin the envelope. Here’s what to do…

Place the sealed envelope in the freezer for about three hours. When you take it out, slip a knife under the flap and you should be able to open it neatly, then repackage it and reseal it.

More household help…

• 22 Clever Household Tips

• How to Clean Where It’s Hard to Clean

• Perfect Protection for Mailing Pictures