1. 扁平发夹(英国)：Hairpin发夹 | Hairgrip扁平发夹(英国) | Bobby pin扁平发夹

2. 发卡：hairgrease毛填料润滑脂 | hairgrip发卡 | hairgrownincirclesorinacircularshape环状或卷状的毛

1. 小发夹
A hairgrip is a small piece of metal or plastic bent back on itself, which you use to hold your hair in position.

noun

1. a flat wire hairpin whose prongs press tightly together
used to hold bobbed hair in place

e.g. in Britain they call a bobby pin a grip

Synonym: bobby pingrip