Use a computer to create your design, then print it out on standard printer paper. You can make your design using words or images, but images with higher contrast transfer better. To achieve this, print your design in black and white.  Any image can be used, but clear images that don’t have a lot of small details transfer better. The image should be small enough to fit on the cup. Resize it as needed before printing it. You can use a program like Photoshop or GIMP to design images or transfer photos. Trim the paper down to size. If you printed multiple images on the same sheet of paper, separate them now. Cut around each image, but leave a white border about 1 in (2.5 cm) wide on each side. Take a sheet of clear contact paper and peel the backing off of it. This will expose the adhesive backing, so be careful around the images you trimmed earlier. Place the contact paper on a flat surface, leaving the adhesive side up, then set the image on top of it. You can place your design anywhere on the paper. If it doesn’t go on straight, that’s okay. You don’t need any special tools to complete the transfer. Simply press down on the design with your finger, then rub it. Go over the image a few times to ensure the areas with the most ink transfer properly. Pick up the contact paper, flip it over, and trim it down with a sharp pair of scissors. This time, you want to remove any white paper still around the design. When you are done, you should be left with what you want to transfer to your cup.  The design will remain stuck to the contact paper. Don’t remove it yet. Your design needs to be small enough to fit on the cup. If you printed a big design, you may need to trim it a little to wrap it over the cup’s surface. Use a bowl that is big enough to contain the entire piece of paper. Fill it with warm, not boiling, water. Flatten the paper against the bottom of the bowl, then let it soak undisturbed. If you printed multiple designs, you can place them all on top of each other in the same bowl. After soaking, your design should be transferred to the contact paper. Remove the paper from the water, then gently rub the back end with your fingers. The back is the adhesive you stuck the design to earlier.  Be very gentle when rubbing the paper. Too much force can smudge the ink. The paper may begin falling off before you get it out of the water. As long as you can see your design on the contact paper, this is fine. Find a safe spot, such as a countertop. Set the contact paper on it, checking that the correct side is on top. Let the paper dry fully before you attempt to remove it. The adhesive won’t feel sticky right now, but that will change as it dries. Now get your cup to transfer the image to it. Carefully pick up the contact paper, keeping the adhesive side up. Align it against the cup’s side, then push it flat. Then you can enjoy a cold drink with the cup sporting your special design. If the adhesive doesn’t stick, make sure it is completely dried.
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One-sentence summary -- Print out a design in black and white on paper. Cut out the image while leaving a small border. Place the design face-down on contact paper. Rub the design to transfer it to the contact paper. Trim the contact paper to size. Submerge the paper in a bowl of warm water for 10 minutes. Rub the paper with your fingers to separate it from the contact paper. Dry the contact paper with the adhesive side up. Place the design on a plastic cup.


Your calf muscles make up the back of your lower leg. They are important to doing a split because they're attached to the hamstrings, and if the calves are tight they'll inhibit the hamstrings' stretching ability.  Sit on the floor with your right leg extended in front of you.  Bend your right knee slightly and grab the ball of your foot with both hands.  Slowly pull back at the ball of your foot as far as you can.  Hold the position for about 20 seconds, then release the pose. Repeat for your left leg. The hamstring is attached to your calf muscles, and is an important component in performing a Chinese split.  Sit on the floor with your right leg extended in front of you.  Grab your right heel with both hands and slowly straighten your leg straight ahead of you.  Bend forward while exhaling, slowly bring your chest as close to your right knee as you can. Keep your leg extended straight ahead so that you feel the tension in the back of your leg.  Hold the stretch for about 20 seconds, then release the pose. Repeat for your left leg. This stretch will build off of the previous two stretches, helping you get your calves and hamstrings as flexible as possible.  Kneel on your left knee with your right leg straight ahead of you. Keep your right heel on the ground and the toes on your right foot pointed straight upward.  With your back as straight as possible, reach toward your toes, or as close to your toes as you can reach.  Hold the stretch for around 20 seconds, or as long as you comfortably can. Then release the pose, and repeat for your left leg.
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One-sentence summary -- Do a seated calf stretch. Practice a seated hamstring stretch. Try a kneeling hamstring stretch.


Remove your board from the wall. Your battery and buzzer should already be taped to it. Glue the clothespin so it is positioned somewhat close to the battery and buzzer. Follow the glue directions and allow the glue to dry completely before moving on. A clothespin is small enough that general purpose glue or hot glue should work to fasten it. For best results, you may want to use a sturdy glue or a wood glue. Wires sticking out in all directions can be a hazard. They can snag on objects or be easily pulled out. Damaged wires will deactivate your alarm. Tape your wires to the board to prevent them from snagging or being pulled out. Then re-hang the board on the wall. Tape a piece of string to the cardboard. Alternatively, use scissors to make a small hole in the cardboard and tie the string to the hole in the cardboard in a simple knot. Make sure the string is firmly attached to the cardboard. The door may be opened suddenly. If weakly fastened, the string may pull free while the cardboard remains. In this case, the alarm will not go off. Attach the string to the doorknob or tape it to a part of the door. Adjust the length of the string so that when the door opens, the string is pulled. When the cardboard pulls out, the alarm will go off. If your door is painted or made of a nice material, you may not want to tape the string to it. Some tape, when peeled away, can damage paint or wood.
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One-sentence summary --
Glue the clothespin to the board. Manage excess wires with tape and hang the board. Attach the string to the piece of cardboard in the clothespin. Fasten the other end of the string to your door.