头挡

first gear

head / hair style / the top / end / beginning or end / a stub / remnant / chief / boss / side / aspect / first / leading / classifier for pigs or livestock / CL:個|个[ge4]

suffix for nouns

to resist / to obstruct / to hinder / to keep off / to block (a blow) / to get in the way of / cover / gear (e.g. in a car's transmission)

to arrange / to put in order

variant of 擋|挡[dang3]