Kav (gender unknown)
tube through which the bag of a mouth-blown bagpipe, &c. is inflated
Conical blowpipe, consisting of 2 identical wooden halves, bound together with several straps called "thi" .
Made of mahogany (probably Chinese (or red) toon (Toona sinensis [Chinese: 香椿 (xiāngchūn)]).
Catlin, Amy: Hmong musical instruments. In: The Garland encyclopedia of world music (4): Southeast Asia (ed. 2013) *.