Never used the first one, but the movements are the same as belt cracking... Looks like a good workout though.
2nd was a single sided rock pole... Ive got one made of cement.
3rd one.... I miss the long bag. those things are fun. Playing catch with them is a great workout.
"i would show them 8 hours of animal porn and beheadings in a single sitting then make them write a paper about italy." -GDA
"he said there were tons of mantids fornicating everywhere. While he was there, he was sending me photos of mantis porn regularly." - Gene Ching