Nah, just go for the Jay Maisel method and get yourself an industrial-strength shredder. Maisel used to dump his pitched 'chromes in huge garbage bags until he got hip to the problem of others sifting through his rejects.
The port-o-san does have a conceptual edge, I'll admit.
"Print 'em both, kid." -
Frank "Cancie" Cancellare, to a UPI courier, after tossing
a 20-exposure roll of film to him.
Here, a Gallery.