I’m personally not so fond of catch-up freestyle, but this description is great. From the Northern Arena swimming facility in North Auckland, New Zealand, where they by the way have a spongy bottom in the teaching pool. Never heard of that one, but sounds nice for your knees.
The Kiwi cat and mouse drill
By rokur
rokur
Production engineer and certified swim coach. Full-time IT consultant, spare-time swimming aficionado. 2 sons, 2 daughters and a wife. President of the Faroe Islands Swimming Association. Likes to run :-)