There are many ways of trying to protect your work in a better way. I think if you can focus on creating original design, it goes a long way in not only allowing you to use a design registration, but also use the market to protect your product. Investing in different processes or things that are a little bit more difficult to produce definitely helps.
Another thing that a lot of brands do is they decentralise their manufacturing by having the product components or parts made by multiple manufacturers and then it being assembled by one. It stops anyone from having access to all the information that makes up that product.