- The overhead rails supplied to the ring frame for the transportation of roving bobbins is extended by 3 meters.
- The doffed full bobbins are loaded in a trolley and brought to alley.
- The empty bobbin rail from the ring frame is moved manually to this alley where the empty roving bobbins are replaced with fully roving bobbins.
- Again the train with full bobbins is moved manually to the ring frame. This is a very simple and limited purpose option.