cord
kɔːd
noun
thin, flexible string or rope made from several twisted strands.
hang the picture from a rail on a length of cord
string,thread,thong,lace,ribbon,strap,tape,tie,line,rope,cable,wire,ligature,twine,yarn,elastic,braid,cording,braiding,creance,fillis
verb
attach a cord to.
you will need to cord the blind