EntityQ915110· pop 24· linked from 41 articlespaper knifeSign in to savean implement used for cutting open sealed envelopesConnectionsMartin Luther King Jr.PersonVirginiaEntitymetalEntityknifeEntitywoodEntityInternational Standard Book NumberEntityplasticEntityelectric motorEntityivoryEntitystainless steelEntityFounding Fathers of the United StatesEntityBakeliteEntityPatrick HenryEntityrazorEntitybladeEntityNew York City Police DepartmentEntityhandleEntityconsumer electronicsEntitypewterEntityThe Daily BeastEntityCategoriesKnivesOffice equipment