Get you no gold (μη κτησησθε). It is not, "Do not possess" or "own," but "do not acquire" or "procure" for yourselves, indirect middle aorist subjunctive. Gold, silver, brass (copper) in a descending scale (nor even bronze).

In your purses (εις τας ζωνας υμων). In your girdles or belts used for carrying money.