Mischna zu Schemot 26:31

The fringe strings of a sheet, a scarf, a head-wrap and a felt cap [are regarded as connected] up to a length of six fingerbreadths; Those of an undergarment up to ten [fingerbreadths]. The fringes of a thick wool cloak, a veil, a shirt, or a light cloak [are regarded as connected] up to a length of three fingerbreadths. The fringes of an old woman's head-wrap, of Arabian face wraps, of Cilician goat's-hair clothing, of a money-belt, of a turban or of a curtain are regarded as connected whatever their length may be.