This
Kestrel in D goes well with the Condor Bass D. It has a leather strap over the third hole and can therefore be played pentatonically, if you remove the strap (between the holes) it has a full chromatic scale.
Tuning: D minor - 6 holes
Wood: Aromatic zeden wood
Length 38 cm, ∅ 2.5 cm, incl. English instructions