Yarn, apparatus and methods preparing thereof

A method for preparing a composite yarn, comprising:

• infeeding a first filament and a second filament into a front roller, the first filament and the second filament being separated by a distance at the front roller so that the first filament and the second filament form a twisting triangle region before entering a false twisting device;
• infeeding at least one roving comprising a plurality of short fibers into a back roller, and outfeeding the at least one roving from the front roller at a position substantially in a middle of the distance between the first filament and the second filament at the front roller such that a portion of the short fibers randomly wraps around either or both of the first and the second filament when the at least one roving intertwines the first and the second filaments within the twisting triangle region while a remaining portion of the short fibers remains free;
• infeeding the first filament, the second filament and the at least one roving into the false twisting device to form the composite yarn comprising a central yarn within the false twisting device, the first filament being a first body yarn, the second filament being a second body yarn, and the first body yarn and the second body yarn being arranged to form the central yarn of the composite yarn.