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The latch and hook method is a technique used to install a hair weave onto braids. The weave is interlocked between the braids using the latch and hook tool and can be styled any way that you see fit. For many, this is a great alternative to sewing in hair extensions because you do not have to worry about blending your natural hair with your weave. Although latch and hook styles usually lasts less than a month, four weeks is more than enough time to rock a fierce hairdo!
Determine how you want your hair styled, as that will determine how you will need to braid your cornrows.
Braid your cornrows according to the hairstyle that you are trying to achieve. If you want a side part, then cornrow your hair diagonally. If you want a center part, then cornrow your hair in an even fashion straight to the back. You have the choice to make your cornrows as small or as big as you like; however, the smaller the cornrows the better.
Pin the end of the cornrow to the braid itself with a hairpin. Slide your latch and hook needle underneath the braid near the edge. Unhook the latch.
Grab a thin piece of hair extensions and fold it in half. Place the loop that is created from folding the hair into the hook. Flip down the latch.
Slowly pull the latch and hook tool downward through the braid until a loop large enough for your thumb and index finger to fit through.
Grab the two ends of the hair that is remaining, and pull it through the loop to create a knot. Repeat the previous steps to install the remaining hair extensions to the rest of your braids.
To achieve a natural look, place three to seven extensions back to back near the beginning of your cornrow, but leave a 1/2-inch gap between each extension after the on the third, forth and fifth cornrow.
To achieve a fuller look, install your hair extensions back to back down each cornrow.