I own 3 butterfly knives and have been carrying butterfly knives since I was 12

I usually buy mine through various knife stores locally.

30" practice Oak Bokken

I have been practicing swordplay for a few years but have fallen off in the last two years.

Katana sword (similiar to this one) 30" blade (40" overall length)

Purchased in a shop in San Francisco made of folded steel.

I also have a very small collection of blades.
2 midevil broadswords (display pieces)
3 smaller display knives