Tapl-stock (n)
(with) definite article: Tapl-stocketSwedish term used in Söderbäck’s descripton of Adam Söderström's Torupill; NB: Note the deviating spelling ("Tap’l-stocken") in Allmo.
Rehnberg, Mats: Säckpipan i Sverige ([The bagpipe in Sweden]). Stockholm, 1943, p.23 (»Söderbäck).
Allmo, Per-Ulf: Säckpipan i norden: från änglars musik till djävulens blåsbälg (Bagpipes in the nordic countries [From music of the angels to the devil’s bellows]). Stockholm, 1990, p.248 (»Söderbäck).