I, too, used to fly an L4. It has 'bungee' un-damped mainwheel springing, so is more prone to rough-field-induced bounces than, say, a Chippy which has oleos. I can well remember executing perfect 3-pointers, greased on, (by no means always!) only to end up suffering a series of small bounces caused by Barton's rough surface. They were quite benign, and the cure was to keep the stick hard back as the aeroplane slowed, and eventually they'd stop.
The L4 also had a lovely built-in A of A indicator - as you flare, just you reach the 3-point attitude, the lower door will rise up in the slipstream to the hrizointal position (I *always* flew with the dors open!).
SSD