I love the functionality of my wald folding baskets. They can handle more than the rack they're attached to. Sure they're heavy, ugly, and sometimes creak, but, for pure function, they're great. Also make commuting easy as I just throw the backpack with my crap in it, put a bungee net over the top and I'm good to go.
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Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"