What is this?

Answer to last week: That was a collapsable cup:

Paper clip
Posted by: Dad at juni 26, 2008 07:18 EMA clasp that a seat belt can slide through to adjust the belt to child's size? It could also be used for a child who is wearing overall straps that keep falling off the shoulders. You could use this clasp to keep the straps together in the middle of the back, so the straps stay up.
Posted by: Katrina at juni 27, 2008 09:12 EM