Ever wondered why stools were once only three-legged? Why would one use a stool that has only three legs when they could have one with four? If you frequent a furniture store nowadays, your chances of coming across a section for three-legged stools is about as likely as having a 100% annual contact lens purchase conversion rate on a day of operation. The reason for use of a three-legged stool is quite simple: they can be used on any surface, regardless of how smooth or rough, and the seated person maintains complete stability.
If you would like to read this complete article, please signup as a member!