The monkeys would rip-off the tokens at every available opportunity -- from each other, often from us -- you know, things we didn't necessarily think we were introducing, but things we spontaneously saw.
Maimuțele furau jetoanele cu orice ocazie, între ele, câteodată de la noi, lucruri pe care nu le-am testat intenționat, dar pe care le-am observat spontan.