With that formula in mind, I gather plastic and denim gems such as these that I see peaking out from garbage bags. I bring them home, and after offering them around, tote what's left to the Salvation Army for donation, which is like foster care for thingamabobs.
![2010-06-21_Good_Will_7 Jeans and Calculator](http://static1.squarespace.com/static/5978e603d2b8576d2cb0ffa1/597bd30cbc337932cd84dcf5/597bd30ebc337932cd84defa/1501287182651/2010-06-21_good_will_7.jpg?format=original)