Complete a series of jumping jacks. Do a light jog for around 5 minutes. Try jumping rope slowly for the warm-up period. The goal is to get the blood flowing to your muscles, so that you'll avoid an injury when stretching. Bouncing in and out of a stretching pose can lead to muscle and joint damage. Instead, slowly ease yourself in and out of each position. Continue to hold your stretch until you feel a slight burning in your muscles. This sensation usually develops after 30 seconds or more of a stretch. Exactly how long you hold a stretch will really depend on your body and fitness level. Some people will get a benefit from a 30-second stretch, whereas others will need to hold the same position for a minute. You might feel some muscle soreness as you move into each stretching position. This is normal and to be expected with a regular stretching routine. However, if you feel a deep, sharp, or stabbing pain, then pull out of your stretching position right away. Continuing to stretch with intense pain can cause joint damage. Stretching pain is most likely to come from your joints, such as your knees or hips. While it is really tempting to stretch every day, you can easily overdo it and overwork your muscles. Instead, give your muscles and joints adequate recovery time by setting aside a period every other day devoted to stretching and preparation for the splits. A 30-minute stretching work-out, including warm-up, is usually adequate.
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One-sentence summary -- Warm up for 5-10 minutes before stretching. Hold each pose just to the point of tension. Stop immediately if you feel any pain. Practice stretching every other day.

Announce that you're writing down each name on a notecard and placing them all in a hat. At the end of the trick, you'll predict which audience member is the luckiest one in the audience, and you'll write your prediction on a chalkboard or slate. The name of the luckiest person will then by drawn from a hat by a volunteer, and it will match your prediction. If you have a large audience, you can pick the first ten people to volunteer their names; for a smaller audience, everyone can participate. When the first person calls out his or her name, write it down on a card. Write the same name when the second person calls out his or her name. Keep writing the same name on every card even though people are calling out a different name each time. Put all the cards in a hat as you finish writing on them. Make sure no volunteers are too close to you while you're writing down the names, or they'll see what you're up to. If you're doing the trick at a birthday party or an event to honor someone, you could also simply write down the name of the honored person on every card, to ensure that he or she is named the "luckiest" person there. Instead of saying you're predicting who is the luckiest person, you could say you're predicting who will get married next, who's the most mysterious person, or who's the unluckiest person. Tailor it to the event and the people. After everyone is finished speaking and the cards are in the hat, write the special person's name down in large letters and show it to the audience. Announce that you know without a doubt that this person is the luckiest one in the room. Hold the hat above the volunteer's head and ask him or her to draw a name and announce it to the audience. People will gasp when they hear the name. Make sure you put the remaining cards away immediately so people won't see how you did the trick.
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One-sentence summary -- Ask audience members to call out their names. Write down the same name on each card. Write your prediction on a chalkboard or slate. Have a volunteer draw a name from the hat.

To make a map using a compass, surround the compass with paper. Go to the crafting grid and place the compass in the center. Place paper in all of the other empty slots. Shift click or drag to place the map into your inventory.
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One-sentence summary -- Make a map. Craft the map.

Hold the 2 uprights next to each other. Try to line them up as evenly as you can. Both supports should be facing the same direction so they're lined up correctly. Place 1 crosspiece at the very front of the 2 uprights and align them so they're even. Use a hammer and nail the crosspiece to the 2 uprights. Then, nail a crosspiece just behind the posts of both uprights. Nail 1 more piece of wood at the very end of the 2 uprights to connect them together. Aim carefully and use small hammer strokes to drive the nails without bending them or cracking the wood. Take an eye hook and use your hands to twist it into the wood. Use constant pressure and rotate it clockwise. Continue twisting it until only the loop of the hook is exposed and the entire screw is inside of the wood. Don't yank or force the eye hook too hard or it could crack the wood. Use a ruler or tape measure and mark 3 inches (7.6cm), 4 inches (10cm), and 5 inches (13cm) from the eye hook at the end of the wood. Mark the locations with a pencil or marker. Make the lines dark so you can clearly see them. Use a small drill bit, such as a 40mm, to bore holes through the marks on the wood. Start the drill before you press it onto the wood and maintain steady pressure as you drill through them. The 3 distances allow you to adjust the trebuchet to launch projectiles different distances. Remove any sawdust or splinters so the swinging arm will be able to rotate smoothly. At the opposite end of the piece of wood, screw in an eye hook at an upward angle so the look as on the side of the piece of wood and the screw is near the end of the wood. Then, take a nail and insert it into the end of the wood at a downward angle so it's pointing towards the loop of the eye hook. Leave about 12 inch (1.3cm) of the nail sticking out of the end of the wood. Use a small nail that doesn't have a thick head on it. Use a ruler or tape measure to measure from the very tops of the uprights. Mark the location with a pencil or marker and place a dot at the center of the line. Then, take a power drill and use a small drill bit to bore through both of the uprights. Hold the uprights steady with 1 hand when you drill them so you don't snap or crack the crosspieces. Untwist a wire hanger and measure out a segment of straight wire. Use a pair of wire cutters to clip the hanger and remove the piece. You can also use a smooth metal rod that fits inside of the holes. The 16 inches (41cm) piece of wood with the eye hooks will serve as the swinging arm of the trebuchet. Push the wire through 1 upright, then slide it through the bottom-most hole of the swinging arm, then insert it into the other upright. You will now have a straight bar that the arm can swing around. Test the arm by rotating it back and forth to make sure it moves smoothly without any sticking or wobbling.
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One-sentence summary --
Stand the 2 uprights so they're side by side. Nail 3 5in (13cm) pieces of wood across the 2 sides. Screw an eye hook into 1 end of a 16in (41cm) piece of wood. Mark 3 distances from the end of the 16in (41cm) piece of wood. Drill holes through the wood at the marks. Insert an eye hook and a nail at an angle on the other end of the wood. Measure 3 inches (7.6cm) from the top of the uprights and drill a hole. Cut a 6in (15cm) length of wire hanger with wire cutters. Slide the wire hanger through the uprights and swinging arm.