Original sentence: A separate strainer is required for this type shaker if crushed ice is used.A skilled bartender may instead strain by narrowly separating the two pieces after shaking and pouring the drink through the resulting gap.The Boston Shaker: A two-piece shaker consisting of a metal bottom and glass or plastic mixing cup.The mixing container and bottom are inserted into each other for shaking
Edited sentence: A separate strainer, such as a Hawthorn or Julep strainer, are required for this type shaker if crushed ice is used.The Boston Shaker: A two-piece shaker consisting of a metal bottom and glass or plastic mixing glass.The mixing container and bottom are inserted into each other for shaking or used separately for stirring or muddling.Without such a strainer, a skilled bartender may instead strain by narrowly separating the two pieces after shaking and pouring the drink through the resulting gap