## 5 Discussion  
This study proposes a modular design solution model based on the integration of the Kano, axiom design (AD), and design structure matrix (DSM) methods, aimed at addressing critical issues such as design fragmentation, high maintenance complexity, and inadequate adaptability in traditional ice fishing safety auxiliary products. The Kano model delves into user needs, ensuring that product functionality is reasonably partitioned and closely aligned with real-world usage scenarios. The AD theory applies an axiomatic approach to optimize design decisions, maximizing the rationality and feasibility of the design. The DSM method, from a systems engineering perspective, optimizes the structural relationships between modules, reducing design redundancy and coupling, thereby clarifying the functional module divisions of ice fishing safety auxiliary products and completing their multi-module design, achieving a high degree of modularity and configurability. Compared to traditional linear or experience-driven design methods, the integrated Kano-AD-DSM approach in this study makes the product design more scientific and precise, and significantly enhances the reusability, scalability, and maintainability of the design. Additionally, through the application of a modular strategy, this process can quickly respond to varying demands across different usage scenarios, support product customization and flexible upgrades, and significantly reduce design iteration costs, thereby accelerating product development cycles. This method not only ensures the organic integration of ice fishing and safety assistance functions but also grants the product higher adaptability, sustainability, and market competitiveness, providing strong theoretical support for the efficient design of ice fishing safety auxiliary products. Unlike traditional modular designs, which often prioritize standardization at the expense of adaptability, our approach strikes a strategic balance between standardization and customization, ensuring that the product efficiently performs both ice fishing and safety assistance tasks while maintaining structural integrity. This method aligns with the current global trends of circular economy and sustainable development and extends the application of modular design in ice fishing safety products. Unlike traditional modular design approaches that prioritize standardization at the expense of adaptability, our study strategically balances standardization and customization. This ensures that the product maintains structural integrity while efficiently performing both ice fishing and safety assistance functions, thereby addressing critical challenges that have not been adequately tackled in existing research. Furthermore, this study extends the application of modular design methodologies to the relatively underexplored domain of ice fishing safety assistance products, expanding the scope of modular design and filling a research gap in this field. \begin{table}
\begin{tabular}{c c c} \hline
**Score** & **Number of Participants** & **Proportion** \\ \hline \(-2\) (strongly dislike) & 10 & 4.26\% \\ \(-1\) (difficult to accept) & 25 & 10.64\% \\
0 (acceptable) & 80 & 34.04\% \\
1 (somewhat like) & 95 & 40.43\% \\
2 (strongly like) & 25 & 10.64\% \\ \hline \end{tabular}
\end{table} 
Table 11: Distribution of user evaluations of the design scheme. Based on the modular process approach, a highly efficient, safe, and detachable ice fishing safety auxiliary product has been developed, innovatively combining ice fishing functions with safety assistance features. This product breaks through the limitations of existing products, which typically focus on single functionalities. Compared to traditional ice fishing equipment, this product employs a multi-module design, including an ice-breaking module, a support and fixation module, a safety protection module, and an operation control module, ensuring that the product enhances ice-breaking efficiency while also providing stable support and safety assurance.