Survival crackers" - the world's most easily cracked crackers made only with rice and salt from Yamaguchi Prefecture.
Raku-ki has released a new portable food, supervised by top oxygen-free climber Hirofumi Konishi, that is perfect for mountain climbing. The name of the product is "Survival Senbei. There is a reason for the mismatch between the words "senbei" and "survival.