Used other than figuratively or idiomatically: see 一 and 本 (one thing) / Short for 一本勝ち (ippon-gachi, “winning in one blow”).

笛: bamboo flute

一本: one version; one book, a certain book

Alternative form of すぽっと

簫の笛: xiao (Chinese flute)

xiao (a kind of Chinese flute)

leather garment

Hue (a city and province of Vietnam)

is the best among (others)

merely; no more than