Towels: prison, jail, detention, fence, wire, barbed, prisoner, metal, bar, convict, security, iron, captive, lockup, bars, hand, person, inmate, stress, symbol, message, help, beseeching, begging, criminal, depression, detained, hope, hostage, penitentiary, restraining, blue hope, blue help, blue stress, blue security, blue prison, blue depression, blue metal