Sew ins are really popular in the Afro textured community. You can attach partial or a full head of hair with this technique. You begin by braiding your hair, in cornrows, around your head at the places you will attach the weft. Then you take a needle (Sally's or any beauty supply store who sells hair) and thread and attach the weft to the hair. This is a tricky technique if you are new to extensions. Most hair dressers are familiar, but there are people who are weave specialists who can make you do a double take.
I like sew ins, because they don't slide down, become unhinged, feel uncomfortable, and, (if done properly) don't harm or manipulate your own hair. You can design the cornrows in ways to blend your own hair so that you have a natural part, thus making it less obvious you have extensions. Or, you can do a full head and attach a closure, it all depends on what you are trying to achieve. I have heard horror stories of people getting their hair and the thread confused which wound up in the person's hair getting cut instead of the thread. Choose your beautician wisely. You can wear this style a lot longer than clip ins, depending on the rate of your own hair's growth. As your hair grows, the extensions will need to be redone.
FUSIONS!!!!! oh my goodness...I feel myself getting ill writing about this technique. I've used the red to emphasize the threat level for this particular method. It requires a HIGHLY SKILLED stylist. Do a lot of research and ask a lot of questions. How do I care for this? How do you remove them? Will this cause damage to my own hair? How long have you been doing this? Would this be sufficient for my length, texture, etc.? Hell, ask them if they would do this process to their mother, sister, daughter. Whatever you need to feel comfort because I have yet to see a person's own hair benefit from this process. There are several ways to infuse the hair to your own. Some do it strand by strand (Hollywood or high rolling) or there are the "pinching" which is shown below. You take tiny sections of your own hair, which are clamped together with the extensions throughout the head. This style looks the best, it's the Rolls Royce, but the maintenance is a bitch. You really have to follow instructions on the care and maintenance. It is also important to have a patient, highly skilled stylist remove these from your hair. As your hair grows, these will need to be re done, but it's very aesthetically pleasing. It's similar to comparing lash extensions and false eyelashes, one looks natural and requires gentle treatment AT ALL TIMES, while the other is more forgiving and less natural.
(smiling at least)