The idea is that they're looking for the same result they would get by using a product, just without a product. It seems to me like that would count as asking for a lifehack, or should they be off-topic?
The mentioned situation fits the definition of a lifehack:
A lifehack is a technique that can be implemented quickly and is used to make one's physical life more efficient when a more standard approach (as defined by that area's experts) or a product is either unavailable or undesirable. Lifehacks are creative, meaning they use materials that are on hand for uses besides their intended use. - Our lifehack defintion