1.Clause providing for minor’s vested inheritance to be retained by trustee until minor attains specified age; provision for payment of income and/or capital to guardian 2. Specific clause which can be included in a mutual will by business partners; bequest of share of business by first dying to survivor subject to payment of value thereof; determination of value 3. Clause providing for payment of income to wife during her lifetime to be supplemented by capital if income insufficient 4. Bequest of inheritance to a person or to his descendants per stirpes if he dies before the testator with gift over on death without issue etc