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Table 5 Case Summary of Product Design Feedback Mechanisms for Visually Impaired People.Feedback TypeWorks Pictures Work information(1)Shape feedback(5)Physical structureTitle Kitchen aids Source Kevin C.All Folks kitchen utensils are designed to be easily disassembled and cleaned. With these tools, the visually impaired can greatly reduce their risk of injury in the kitchen and increase their willingness to cook and their enjoyment of life. (Kevin, C., 2017)(1)Shape feedback(2)ColorfeedbackTitle HUEPIN Source Ang Y.J.This design example can help visually impaired users quickly and easily identify clothes of different colors through different shapes and textures. Graphics are used to help the visually impaired recognize and distinguish clothes.(Ang, 2022)(1)Shape feedback(2)Color feedbackTitle Dot Chess Source Joshi, T.The game utilizes a combination of color and Braille to help both players identify the roles of their pieces. The use of color and upper and lower case indicators in Braille allows both players to distinguish their own pieces from their opponent's.(Joshi, 2023)(1)Shape feedback(2)Color feedback(3)Auditory feedbackTitle Beyond Sight SourceAhn, B., Kim, M., & Lee, J.The three products are a speaker, a remote control and a timer. The speaker has been redesigned so that blind people can easily control the volume by moving the ball up and down. The timer has been redesigned to provide configurable time presets in Braille.(Ahn, Kim, & Lee, 2023)(5)Physical structureTitleBlind friendly water dispenserSource Zhang, C.K.A creative solution is used to provide convenience for the blind/visually impaired. They will no longer need to use a kettle to pour water into a teacup, nor will they have to worry about the water level being too high or causing water to overflow from the cup. Users only need to place the specially designed cup in the designated position.(Zhang, 2021)- 106 -