·? (drone: mute [Term not mentioned in available sources])
mute drone: general terms
Mute "dummy drone"; Retrograde ?
1st joint mute (without bore), whereas the other 2 joints contain, as usual, a cylindrical bore…; The 3rd joint contains 2 [tuning-?] holes.
Chassaing, Jean-François: La tradition de cornemuse en Basse-Auvergne et Sud-Bourbonnais [Thèse de doctorat, ethnologie 3e cycle, Univ. Lyon 2, 1981]. Moulins, 1983 (© 1982), p.88 (type only, no term).