How to wear the clip in kinky straight hair extension

You could click the link to order:
https://www.amazon.com/Extensions-Str...

【Human Hair】100% remy human hair extensions,Can be dyed,washed,bleached, curled and straightened. NOTE: Only 1B color can be bleached up to #27 color, others can be dyed to darker color.
【High Quality】no-tangle, minimal-shedding, product life:6 to12 months(depending on care and usage).
【2 or 3 Packs for Full Head】80g/set in 10”-18” and 120g/set in 18”-24” are suggested to get 2 or 3 packs for a full head. (2 packs is recommended to who have fine type hair,but 3 packs are suggested if you have short or thick hair)
【Double Weft】 quality lace sewed double hair weft, breathable and comfortable; 9 tooth south Korea drop clip prevent falling, similar color with your natural hair, invisible!
【Return Policy】 7 day easy return; 30 days returnable for not been washed/used/curled/cut