Terms for subject Prison slang containing ruby

English	Russian
Ruby-do	условное освобождение, parole (Роман Сидни Шелдона "Если наступит завтра". "What's a 'Ruby-do' and a 'getup'?" \ "Ain't you learned nothin'? A 'Ruby-do' is a parole. A 'getup' is the day of release." Maribat)