Place 3 falafel balls on the bread, about ¾ down toward the end closest to you and then give them a squash to break them apart. Add layers of chopped parsley leaves, chopped mint leaves, radish, tomato and onion (see note 2). Depending on the Lebanese pickles you use, add a single layer of that too according to their size (see note 3). Drizzle the falafel sauce, (be liberal using good judgment) all over the filling.
3 balls Falafel, ⅓ medium Tomato, ⅓ medium Onion, 3 small Radishes, 1 handful Parsley leaves, 1 handful Mint leaves, 1 handful Lebanese pickles, 1 drizzle Tahini sauce