I was surprised to see how this actually works! I've always been curious as to how these worked. I bought a pallet of items at an auction and this was on it, so I figured this would be a good way to find out.
by braceletmkr5
by Billy C. LeWorth
by john hay
by Paul Sellers
by TriKdanG
by eHowArtsAndCrafts
by 365BOCETOS