There were 249 of these [springs] in the mattress. That was too many to throw away, so I tried to think of a good project to re-use some of them. What I came up with were spring-soled shoes. I coiled 5 bedsprings together with some of the other bed-wire and hot-glued them to a pair of Converse low-tops.
Check out the other cockeyed things he made.