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Get 6-8 packs of synthetic hair for long, thick braids. Take 1 to 2 inches (2.5 to 5.1 cm) of synthetic hair. Remove ⅓ of the hair. Form a loop with the remaining hair.

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Use synthetic hair, rather than human hair, for the box braids, as it will not frizz. Shorter, thinner box braids may require fewer packs of hair. Look for synthetic hair that is smooth and soft at your local beauty supply store or online. When in doubt, get more hair than you think you might need. You can then use any leftover hair for another style later or return it, if the retailer allows returns. Place the hair extensions between your fingers in a staggered line. Break the hair into 3 sections. Place 1 section of the hair extensions between your pointer and middle finger. Then, take the next section and place it between your middle finger and ring finger 1 to 2 inches (2.5 to 5.1 cm) below the first section. Hold the third section between your ring finger and pinkie 1 to 2 inches (2.5 to 5.1 cm) below the second section. Staggering the hair in a line will give the ends of the braids a feathered, rather than blunt, look, making the hair appear more natural. Set it aside, as you will not be using it to form the braid. You can use it later when you make new sections of hair for your braids. Take 1 section of hair and place it over the remaining section of hair so they interlock into each other to form a loop. Make sure 1 section has more hair than the other. The 2 pieces of hair should create a loose loop, where the smaller section hangs over the bigger section. You should now have 3 even sections of synthetic hair to work with.