Apparatus for loading a row of tuft retention sites (TRS) in a gripper loom with a row of tufts (T) arranged in a predetermined pattern sequence, the apparatus including a group of yarn sources movable along said row of tuft retention sites (TRS), drive means for sequentially moving said group of yarn sources along the guide means (33) and temporarily locating a desired yarn source in registry with a predetermined tuft site (TRS), and selectively operable tuft forming means which, on selection, transfer a tuft (T) from said desired yarn sources to said predetermined tuft site (TRS).