conveyed to spinning frames in most cases such slubbings are arranged as four coaxial and side by side elongated spools and the u201c mock u201d torsion thereof is provided by the rubbing and compressing action of said double leather endless belts during the reciprocating movement of same the relevant portions of u s pat no 3 979 893 are incorporated herein as reference to teach the basic woolen system as would be known to those of skill in the art of wool based yarns spun according to the woolen system and modifications thereof as an example of the woolen system when the winding phase of slubbings on to elongated spools through the condenser is completed these elongated spools are collected and carried to the spinning frames to continue the spinning process as final spinning of the woollen yarn as desired some of the problems often encountered with using the woolen system is that following a period of spinning forced interruptions occur in the process that include a forming elongated spool of woollen stubbing through the condensers of prior art which are provided with mechanical means for said purposes b unloading said elongated spools and collecting same waiting for the next use on a spinning frame and c carrying said elongated spools both for.