Gladius vs. Spatha

[mucky305]

I imagine the rapid adoption of something as simple as the stirrup could occur. Think about it. The design is far from complex not to mention the fact that most simple inventions (the straw) are not generally something you'd think about until you see them (or something similar) in action and realized the practicality of it. I've ridden horses with and without stirrups and the difference is night and day but stirrups are certainly not necessary to actually ride a horse so.....