Unravel

disfare

((intransitive) of a thing: to have its connected or united parts separated; to be thrown into disorder; to become confused or undone — see also collapse)

districare

((transitive) to separate the threads of (something knitted or woven))

sfilacciare

((transitive) to separate the threads of (something knitted or woven))

smagliare

((transitive) to separate the threads of (something knitted or woven))

strigare

((transitive) to separate the threads of (something knitted or woven))