
People were wearing buttons on their garments for thousands of years, before some bright spark, developed the idea of the button-hole in such garments.
Consider, the multiple facets of conceptional thoughts needed to bring into being, previously non-existent articles, Needle and thread, and the button-hole, with no example existing in nature to copy or make adjustment of; Unlike the adapting of the wheel and fire from existing natural examples in nature.
What under-appreciated mind was at work, all the way back then! if you were to sit down now, with all the advantages of modern technical knowledge at your beck and call, how well do you think you would do at bring this project to fruition, from start to finish