For about 65 years, a hair salon in a central Japan prison has helped inmates' social rehabilitation by offering them chances to cut and perm hair of visitors from outside the facility as part of their vocational training.At the "Midori Biyoin" salon, located inside the female-only Kasamatsu Prison in Gifu Prefecture, a prisoner in her 50s wearing a surgical mask was talking with her customer about desired hairstyle. "Let's make the front part a bit long," she said.The inmate began working there last September after her predecessor was released on parole. "When guests say, 'I'll come again,…READ FULL ARTICLE