winemelon

Rubber band a stocking over a vacuum hose and vacuum around where you think you lost the item.  It may stick to the stocking, allowing you to locate it.

Rub a walnut over scratches in your wooden furniture.  The scrape marks will become invisible.

Write your mail's destination on the sender field and don't place a stamp.  The mail will be returned to the sender, who is in this case the recipient.

When calling 911, the first thing you should do is notify them of your location.  When you do so, the police can be immediately dispatched.

Thrust your tongue against the roof of your mouth, then repeatedly press between your eyebrows.  Your sinuses will drain.

Fill up a bowl with vinegar, set it down it in the room you want to de-stink, and leave for an afternoon.  By the time you get back, the room will have lost its bad smell.

Look away while being injected.  The pain you feel will decrease.