Khw muag khoom racksyog ib qho tseem ceeb ntawm txhua qhov chaw muag khoom. Cov racks no tsis tsuas yog pab kom nthuav tawm thiab npaj cov khoom, tab sis lawv kuj ntxiv qhov zoo nkauj zoo nkauj rau lub khw. Cov yam ntxwv ntawm lub khw muag khoom racks sib txawv nyob ntawm seb cov khoom lag luam raug nthuav tawm thiab tag nrho cov qauv hauv khw. Qee lub khw muag khoom racks yog tsim los nrog cov rhawv hloov tau kom haum rau cov khoom sib txawv, thaum lwm tus yog tsim los nrog hooks lossis tuav los tso saib cov khoom xws li khaub ncaws lossis khoom siv. Ntau lub khw muag khoom racks kuj tseem muaj cov cim kos npe lossis cov npe kev xaiv los pab txhawb cov khoom lag luam thiab nce kev muag khoom. Zuag qhia tag nrho, khw muag khoom racks yog ib qho cuab yeej tseem ceeb rau cov khw muag khoom los txhim kho kev ua lag luam rau lawv cov neeg siv khoom thiab ua kom pom kev thiab muag khoom ntawm lawv cov khoom.
