Can you trap the corners out of a 1-3-1?
In a 2-3 you trap short corner like your life depends on it. The difference between a good coach and a great one is how obsessively they prepare their players to trap like it's second nature.
A 1-3-1 is more difficult to trap in the corner. The corners are the weakenesses of that zone. So good ball reversal and crisp decison-making will almost always eliminate a trap, but one hesitation allows the wing to close out on the ball and the baseline defender the option to trap. The 1-3-1 does a great job turning teams one-dimemnsuonal and taking away dribble penetration.