Drone cord
braid or ribbon, &c. used to connect 2 or more drones
Cord securing equidistance between the drones; Usually plaited in the colours matching those of the bag cover.
Required span between any two drones (at the point where the cords are tied): 7".
MacLellan, John: The pipers’ handbook: a complete non musical guide for the piper to all aspects of the great Highland bagpipe, including: maintenance; the altering and setting of reeds; how to set up a bagpipe; information about pipers of past eras; etc., etc. London, 1964, p.13.