These are a hoot!
Check out more details at this shopping site when you click here.
And why do I bring this up on a website that talks about both knitting and martial arts? Well, I'm glad you asked.
I know that in my form of martial arts, one of the midterms that you have to do as a second degree black belt is a creative form, in which you can use object other than traditional weapons or open hand techniques. I've seen people use golf clubs and a pool cues, but when I saw this, I thought, "A-HA!". I could see using these in place of a double short ecrimas/double bahng-mah-ee for a routine. Oh, that would be too rich!
(same info cross-posted in my martial arts blog.