The catch is the most important part of the stroke, miss that and you'll be slower than you could be. This video shows a drill that can really help develop a good catch.

The best fins for training are Alpha Fins a lot of these swimmers are using them here they are light and float and the shape is ideal to improve foot strength and flexibility:

Get Michael Phelps Alpha fins here
(USA): https://bit.ly/AlphaFins1
(UK): https://amzn.to/2Zv0vYZ

For Free Session Plans: http://www.swimmingcyclingrunning.com...

For OnLine Coaching: http://www.swimmingcyclingrunning.com...

For Winter Training Camps in Cape Verde: http://www.swimmingcyclingrunning.com...