55 years of - you decide

Imagine being damaged, or growing up and finding that something is missing from your normal makeup which makes you different from those people around you. Let's suppose you slowly 'wake up' to the fact that it is a leg that is missing - a real reason why you keep falling over! You start asking around and you find out that there is no such thing as a cheap artificial leg manufacturer, especially not near you or anywhere within your purview So, what are you goin' to do? Do It Yourself! So you get down to the nitty gritty of designing and building some form of 'add on' that does the same job as your other leg does. ... only, it's not as easy as it should be - no tools. How can you build a fully functioning artificial leg, let's make up a name for it shall we? A .... Prosthesis.... good word that, so, how can you build yer own prosthesis with no design knowledge, no anatomy knowledge and no tools? Let's think about this... it would be easier ...