do they actually spin or just flutter??

use a swivel?

if I could ever slow down to that speed i might try it.

They spin and definately need a swivel. Depending on the degree of the bend you put in the body, that govers the spin rate. Personallly I like a very shallow bend so the spin is very slow almost a slow roll. Sometimes they take it spinning fast also. You can play around with it and see what you like. If you need more info let me know. Don't skip the swivel though!

thanks so much for the info. i appreciate it.