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