You'll need a hoop that is big enough for your fish to easily swim through. For smaller fish, using a larger hoop earring or bracelet could work as a hoop. If you want a larger hoop, you can typically make one out of pipe cleaner. Make sure to wash the hoop so that it doesn't bring any harmful bacteria or substances into your fish tank. Attach your hoop to a strong or pole if you're uncomfortable putting your hand in your fish tank. Start with a larger hoop to make it easier for your fish to swim through. Your hoop should be perpendicular to the side of the aquarium and near the glass, as this will make it easier for you to direct your fish to swim through it. Your fish may be interested in the hoop right away, or it will simply ignore the hoop. Teaching your fish to follow your finger will come in handy for this trick. Simply move your finger across the glass of the fish tank so that your fish follows it. Run your finger along the glass where the hoop is, and your fish should swim right through it. This may take a couple tries, but your fish should start to catch on. This will help teach your fish that swimming through hoops will result in being fed. Practice this trick with your fish daily so that it becomes a regular trick. Once your fish has mastered swimming through large hoops, decrease the size of the hoop to make the trick more challenging. Begin adding additional hoops for your fish to swim through for a more impressive trick. For more detailed instructions and tips on how how to teach your fish to swim through hoops, check out Teach Your Betta Fish to Swim Through a Hoop.
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One-sentence summary -- Obtain a hoop for your fish to swim through. Stick the ring in the water. Make your fish follow your finger through the hoop. Reward your fish with a treat every time it swims through the hoop.

The size doesn't matter. Twist it. Do this very tightly. Wake up with voluminous curly hair.
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One-sentence summary -- Grab two rubber bands and a couple of bobby pins. Part your dampened hair into two even sections. Grab either the left or the right side of hair. Then twist the hair around itself, forming it into a bun. Tie the tie around the twist. Repeat for the other side. If any pieces of hair fall out, simply bobby pin them into the twist. Sleep with the buns in.

Since selling to someone close to you is different than selling to a stranger, you should treat this transaction with extra care and tact. Only sell your watch to family or friends if the watch is in the best condition possible and you're giving them a really good deal. In your listing, include several photos and a specific description of the watch. Be sure to document any imperfections and set the price to reflect them as well. When you arrange meetings with potential buyers, be careful. Agree to meet up with the potential buyer in a busy, well-lit area and be extra cautious. Be clear about the specifications, price, and condition of the watch so there is no confusion between you and the buyer when you meet. Selling the original charger with the watch may make your listing more desirable, but it's not required. You'll likely make less because eBay takes 10% of the final price, but you'll generally get a higher offer for your watch because customers trust eBay's buyer protection program. To list your watch, post some photos and a detailed description, name the starting price, and then wait for bids to come in. You may also need to pay a listing or insertion fee before you post your listing. This way, you won't have to set up any face-to-face interaction either, which can be safer when dealing with expensive items. After you make the sale, you'll need to package the watch properly and ship it to the buyer. You could also sell the original charger with the watch, but it's not necessary. Swappa is a site specifically made for selling used electronics. Upload a few photos, write a description, and fill in some boxes to indicate the watch's condition. This site also only takes a $10 flat-rate cut on the final sale instead of a percentage, so you'll be able to keep more money from the sale. On Swappa, you can sell your watch with or without the charger.
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One-sentence summary -- Sell to a family member or friend if the watch is in good condition. Post your watch on Craigslist if you want to sell in person. List your watch on eBay if you want to keep the transaction online. Use Swappa if you want to sell on a reputable marketplace site.

Lay them down so that the long side of the paper is facing you.
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One-sentence summary --
Get two pieces of standard printer paper.