Top-load washers lacking a locking mechanism on the lid offer convenient access to the drum during the wash cycle. This feature allows users to add forgotten garments or extra detergent easily. For example, if a sock is discovered after the cycle has started, it can be added without interrupting the entire process.
The absence of a lid lock simplifies tasks like adding fabric softener at a specific point in the cycle. Historically, this design predates the safety-conscious inclusion of lid locks, providing a more streamlined laundry experience. The accessible drum also facilitates easier cleaning and maintenance of the machine itself.