TOKYO -- Bottles of high-end Japanese whisky are put on display every day at the entrance of Japan's largest duty-free shop in Haneda Airport.
But there is one problem: it is nearly impossible to buy one.
Producers scramble to avoid cooling a booming market

Hibiki, Yamazaki and other premium Japanese whisky brands are in high demand at duty-free stores in Narita Airport. (Photo by Ken Kobayashi)
TOKYO -- Bottles of high-end Japanese whisky are put on display every day at the entrance of Japan's largest duty-free shop in Haneda Airport.
But there is one problem: it is nearly impossible to buy one.