Break down the flank with combination play and finish. Combine with quick one-twos to advance and get behind the defence, reach the byline, and cut it back for a first-time finish.
Two players combine down the flank with a series of one-twos, advancing with each return to reach the byline, then cut it back for a striker to finish. The support player checks to an angle and returns it first time; the wide player bursts onto the return. Reach the byline before cutting it back. Serve from both flanks and rotate.
One wall pass gains about ten yards. That is useful and it is not, by itself, an attack. What breaks a flank down is linking three or four of them without a pause, so the defence is dealing with a second combination before it has recovered from the first, and the skill being trained here is the linking rather than the individual exchange.
That changes what to correct. A one-two performed perfectly and then followed by a touch, a look and a reset has not chained. The defence gets its shape back during that pause, and the next combination starts from a standstill against a set defender. The instruction is that the receiving player is already looking for the next exchange as the current one completes.
Which makes the support runs the limiting factor rather than the passing. Each wall player has to arrive at an angle before the ball carrier needs him, and that means setting off early, while the previous combination is still running. Players who wait to see the ball coming are always a beat late, and the chain stalls.
The return goes into the space ahead every time. This is the same requirement as any wall pass, but it compounds here, because a single return to feet stops the whole sequence rather than one exchange.
The payoff is the byline, and the cutback from there converts better than a cross from deeper. Worth telling players explicitly, because the temptation on reaching the flank at speed is to cross early from a poor angle rather than take the two extra strides.
Save it to your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block. Or start from a blank pitch and build your own.